Home / 314,941,419.20-472,412,128.80-277,527,972.80

Finding the Fourth Proportional to 314,941,419.20, 472,412,128.80 and 277,527,972.80

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Solution

The fourth proportional to 314,941,419.20, 472,412,128.80 and 277,527,972.80 is: 416,291,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,941,419.20 : 472,412,128.80 = 277,527,972.80 : x
  2. Step 2: Convert to fraction form
    314,941,419.20/472,412,128.80 = 277,527,972.80/x
  3. Step 3: Cross multiply
    314,941,419.20x = 472,412,128.80 × 277,527,972.80
  4. Step 4: Simplify right side
    314,941,419.20x = 131,107,580,431,996,512
  5. Step 5: Solve for x
    x = 131,107,580,431,996,512/314,941,419.20
  6. Step 6: Final answer
    x = 416,291,959.20

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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.