Home / 478,332,001.80-717,498,002.70-417,865,825.80

Finding the Fourth Proportional to 478,332,001.80, 717,498,002.70 and 417,865,825.80

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Solution

The fourth proportional to 478,332,001.80, 717,498,002.70 and 417,865,825.80 is: 626,798,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,332,001.80 : 717,498,002.70 = 417,865,825.80 : x
  2. Step 2: Convert to fraction form
    478,332,001.80/717,498,002.70 = 417,865,825.80/x
  3. Step 3: Cross multiply
    478,332,001.80x = 717,498,002.70 × 417,865,825.80
  4. Step 4: Simplify right side
    478,332,001.80x = 299,817,895,408,086,144
  5. Step 5: Solve for x
    x = 299,817,895,408,086,144/478,332,001.80
  6. Step 6: Final answer
    x = 626,798,738.70

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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.