Home / 521,604,007.20-782,406,010.80-467,184,448.80

Finding the Fourth Proportional to 521,604,007.20, 782,406,010.80 and 467,184,448.80

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Solution

The fourth proportional to 521,604,007.20, 782,406,010.80 and 467,184,448.80 is: 700,776,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,604,007.20 : 782,406,010.80 = 467,184,448.80 : x
  2. Step 2: Convert to fraction form
    521,604,007.20/782,406,010.80 = 467,184,448.80/x
  3. Step 3: Cross multiply
    521,604,007.20x = 782,406,010.80 × 467,184,448.80
  4. Step 4: Simplify right side
    521,604,007.20x = 365,527,920,893,404,864
  5. Step 5: Solve for x
    x = 365,527,920,893,404,864/521,604,007.20
  6. Step 6: Final answer
    x = 700,776,673.20

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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.