Home / 1,120,316,305.46-1,546,172,071.50-637,625,615.12

Finding the Fourth Proportional to 1,120,316,305.46, 1,546,172,071.50 and 637,625,615.12

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Solution

The fourth proportional to 1,120,316,305.46, 1,546,172,071.50 and 637,625,615.12 is: 880,000,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,316,305.46 : 1,546,172,071.50 = 637,625,615.12 : x
  2. Step 2: Convert to fraction form
    1,120,316,305.46/1,546,172,071.50 = 637,625,615.12/x
  3. Step 3: Cross multiply
    1,120,316,305.46x = 1,546,172,071.50 × 637,625,615.12
  4. Step 4: Simplify right side
    1,120,316,305.46x = 985,878,918,171,552,128
  5. Step 5: Solve for x
    x = 985,878,918,171,552,128/1,120,316,305.46
  6. Step 6: Final answer
    x = 880,000,508.22

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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.