Home / 314,929,139.80-472,393,709.70-276,665,387.80

Finding the Fourth Proportional to 314,929,139.80, 472,393,709.70 and 276,665,387.80

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Solution

The fourth proportional to 314,929,139.80, 472,393,709.70 and 276,665,387.80 is: 414,998,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,139.80 : 472,393,709.70 = 276,665,387.80 : x
  2. Step 2: Convert to fraction form
    314,929,139.80/472,393,709.70 = 276,665,387.80/x
  3. Step 3: Cross multiply
    314,929,139.80x = 472,393,709.70 × 276,665,387.80
  4. Step 4: Simplify right side
    314,929,139.80x = 130,694,988,888,431,120
  5. Step 5: Solve for x
    x = 130,694,988,888,431,120/314,929,139.80
  6. Step 6: Final answer
    x = 414,998,081.70

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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.