Home / 1,120,316,251.78-1,546,171,997.57-637,625,561.55

Finding the Fourth Proportional to 1,120,316,251.78, 1,546,171,997.57 and 637,625,561.55

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Solution

The fourth proportional to 1,120,316,251.78, 1,546,171,997.57 and 637,625,561.55 is: 880,000,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,316,251.78 : 1,546,171,997.57 = 637,625,561.55 : x
  2. Step 2: Convert to fraction form
    1,120,316,251.78/1,546,171,997.57 = 637,625,561.55/x
  3. Step 3: Cross multiply
    1,120,316,251.78x = 1,546,171,997.57 × 637,625,561.55
  4. Step 4: Simplify right side
    1,120,316,251.78x = 985,878,788,205,172,352
  5. Step 5: Solve for x
    x = 985,878,788,205,172,352/1,120,316,251.78
  6. Step 6: Final answer
    x = 880,000,434.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,120,316,252.78, 1,546,171,998.95 and 637,625,562.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.