Home / 1,174,121,298.84-1,620,288,434.82-645,494,278.92

Finding the Fourth Proportional to 1,174,121,298.84, 1,620,288,434.82 and 645,494,278.92

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Solution

The fourth proportional to 1,174,121,298.84, 1,620,288,434.82 and 645,494,278.92 is: 890,782,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,121,298.84 : 1,620,288,434.82 = 645,494,278.92 : x
  2. Step 2: Convert to fraction form
    1,174,121,298.84/1,620,288,434.82 = 645,494,278.92/x
  3. Step 3: Cross multiply
    1,174,121,298.84x = 1,620,288,434.82 × 645,494,278.92
  4. Step 4: Simplify right side
    1,174,121,298.84x = 1,045,886,914,876,551,168
  5. Step 5: Solve for x
    x = 1,045,886,914,876,551,168/1,174,121,298.84
  6. Step 6: Final answer
    x = 890,782,678.00

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Double scale
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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.