Home / 645,696,843.60-968,545,265.40-609,984,008.40

Finding the Fourth Proportional to 645,696,843.60, 968,545,265.40 and 609,984,008.40

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Solution

The fourth proportional to 645,696,843.60, 968,545,265.40 and 609,984,008.40 is: 914,976,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,696,843.60 : 968,545,265.40 = 609,984,008.40 : x
  2. Step 2: Convert to fraction form
    645,696,843.60/968,545,265.40 = 609,984,008.40/x
  3. Step 3: Cross multiply
    645,696,843.60x = 968,545,265.40 × 609,984,008.40
  4. Step 4: Simplify right side
    645,696,843.60x = 590,797,123,305,533,824
  5. Step 5: Solve for x
    x = 590,797,123,305,533,824/645,696,843.60
  6. Step 6: Final answer
    x = 914,976,012.60

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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.