Home / 534,762,009.20-803,418,472.20-478,641,839.60

Finding the Fourth Proportional to 534,762,009.20, 803,418,472.20 and 478,641,839.60

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Solution

The fourth proportional to 534,762,009.20, 803,418,472.20 and 478,641,839.60 is: 719,104,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,762,009.20 : 803,418,472.20 = 478,641,839.60 : x
  2. Step 2: Convert to fraction form
    534,762,009.20/803,418,472.20 = 478,641,839.60/x
  3. Step 3: Cross multiply
    534,762,009.20x = 803,418,472.20 × 478,641,839.60
  4. Step 4: Simplify right side
    534,762,009.20x = 384,549,695,502,429,504
  5. Step 5: Solve for x
    x = 384,549,695,502,429,504/534,762,009.20
  6. Step 6: Final answer
    x = 719,104,365.84

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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.