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Finding the Fourth Proportional to 652,528,326.40, 978,792,489.60 and 376,651,398.40

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Solution

The fourth proportional to 652,528,326.40, 978,792,489.60 and 376,651,398.40 is: 564,977,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,528,326.40 : 978,792,489.60 = 376,651,398.40 : x
  2. Step 2: Convert to fraction form
    652,528,326.40/978,792,489.60 = 376,651,398.40/x
  3. Step 3: Cross multiply
    652,528,326.40x = 978,792,489.60 × 376,651,398.40
  4. Step 4: Simplify right side
    652,528,326.40x = 368,663,559,951,257,472
  5. Step 5: Solve for x
    x = 368,663,559,951,257,472/652,528,326.40
  6. Step 6: Final answer
    x = 564,977,097.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.