Home / 1,341,432,985.32-2,012,149,477.97-372,084,601.32

Finding the Fourth Proportional to 1,341,432,985.32, 2,012,149,477.97 and 372,084,601.32

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Solution

The fourth proportional to 1,341,432,985.32, 2,012,149,477.97 and 372,084,601.32 is: 558,126,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,432,985.32 : 2,012,149,477.97 = 372,084,601.32 : x
  2. Step 2: Convert to fraction form
    1,341,432,985.32/2,012,149,477.97 = 372,084,601.32/x
  3. Step 3: Cross multiply
    1,341,432,985.32x = 2,012,149,477.97 × 372,084,601.32
  4. Step 4: Simplify right side
    1,341,432,985.32x = 748,689,836,304,853,120
  5. Step 5: Solve for x
    x = 748,689,836,304,853,120/1,341,432,985.32
  6. Step 6: Final answer
    x = 558,126,901.98

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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.