Home / 681,711,196.60-1,022,566,794.90-423,218,294.20

Finding the Fourth Proportional to 681,711,196.60, 1,022,566,794.90 and 423,218,294.20

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Solution

The fourth proportional to 681,711,196.60, 1,022,566,794.90 and 423,218,294.20 is: 634,827,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,711,196.60 : 1,022,566,794.90 = 423,218,294.20 : x
  2. Step 2: Convert to fraction form
    681,711,196.60/1,022,566,794.90 = 423,218,294.20/x
  3. Step 3: Cross multiply
    681,711,196.60x = 1,022,566,794.90 × 423,218,294.20
  4. Step 4: Simplify right side
    681,711,196.60x = 432,768,974,643,139,264
  5. Step 5: Solve for x
    x = 432,768,974,643,139,264/681,711,196.60
  6. Step 6: Final answer
    x = 634,827,441.30

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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.