Home / 478,332,004.80-717,498,007.20-417,865,828.80

Finding the Fourth Proportional to 478,332,004.80, 717,498,007.20 and 417,865,828.80

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Solution

The fourth proportional to 478,332,004.80, 717,498,007.20 and 417,865,828.80 is: 626,798,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,332,004.80 : 717,498,007.20 = 417,865,828.80 : x
  2. Step 2: Convert to fraction form
    478,332,004.80/717,498,007.20 = 417,865,828.80/x
  3. Step 3: Cross multiply
    478,332,004.80x = 717,498,007.20 × 417,865,828.80
  4. Step 4: Simplify right side
    478,332,004.80x = 299,817,899,440,976,384
  5. Step 5: Solve for x
    x = 299,817,899,440,976,384/478,332,004.80
  6. Step 6: Final answer
    x = 626,798,743.20

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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.