Home / 489,904,103.60-734,005,849.80-317,292,066.80

Finding the Fourth Proportional to 489,904,103.60, 734,005,849.80 and 317,292,066.80

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Solution

The fourth proportional to 489,904,103.60, 734,005,849.80 and 317,292,066.80 is: 475,387,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,103.60 : 734,005,849.80 = 317,292,066.80 : x
  2. Step 2: Convert to fraction form
    489,904,103.60/734,005,849.80 = 317,292,066.80/x
  3. Step 3: Cross multiply
    489,904,103.60x = 734,005,849.80 × 317,292,066.80
  4. Step 4: Simplify right side
    489,904,103.60x = 232,894,233,126,332,352
  5. Step 5: Solve for x
    x = 232,894,233,126,332,352/489,904,103.60
  6. Step 6: Final answer
    x = 475,387,389.93

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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.