Home / 527,926,945.60-791,890,418.40-472,387,643.20

Finding the Fourth Proportional to 527,926,945.60, 791,890,418.40 and 472,387,643.20

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Solution

The fourth proportional to 527,926,945.60, 791,890,418.40 and 472,387,643.20 is: 708,581,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,926,945.60 : 791,890,418.40 = 472,387,643.20 : x
  2. Step 2: Convert to fraction form
    527,926,945.60/791,890,418.40 = 472,387,643.20/x
  3. Step 3: Cross multiply
    527,926,945.60x = 791,890,418.40 × 472,387,643.20
  4. Step 4: Simplify right side
    527,926,945.60x = 374,079,248,420,637,888
  5. Step 5: Solve for x
    x = 374,079,248,420,637,888/527,926,945.60
  6. Step 6: Final answer
    x = 708,581,464.80

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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.