Home / 484,105,112.64-725,607,240.12-425,698,332.48

Finding the Fourth Proportional to 484,105,112.64, 725,607,240.12 and 425,698,332.48

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Solution

The fourth proportional to 484,105,112.64, 725,607,240.12 and 425,698,332.48 is: 638,063,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,105,112.64 : 725,607,240.12 = 425,698,332.48 : x
  2. Step 2: Convert to fraction form
    484,105,112.64/725,607,240.12 = 425,698,332.48/x
  3. Step 3: Cross multiply
    484,105,112.64x = 725,607,240.12 × 425,698,332.48
  4. Step 4: Simplify right side
    484,105,112.64x = 308,889,792,154,498,944
  5. Step 5: Solve for x
    x = 308,889,792,154,498,944/484,105,112.64
  6. Step 6: Final answer
    x = 638,063,478.55

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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.