Home / 476,857,831.65-715,320,798.10-127,102,067.48

Finding the Fourth Proportional to 476,857,831.65, 715,320,798.10 and 127,102,067.48

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Solution

The fourth proportional to 476,857,831.65, 715,320,798.10 and 127,102,067.48 is: 190,662,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,857,831.65 : 715,320,798.10 = 127,102,067.48 : x
  2. Step 2: Convert to fraction form
    476,857,831.65/715,320,798.10 = 127,102,067.48/x
  3. Step 3: Cross multiply
    476,857,831.65x = 715,320,798.10 × 127,102,067.48
  4. Step 4: Simplify right side
    476,857,831.65x = 90,918,752,346,377,056
  5. Step 5: Solve for x
    x = 90,918,752,346,377,056/476,857,831.65
  6. Step 6: Final answer
    x = 190,662,177.09

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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.