Home / 1,341,432,983.81-2,012,149,475.72-372,084,599.81

Finding the Fourth Proportional to 1,341,432,983.81, 2,012,149,475.72 and 372,084,599.81

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Solution

The fourth proportional to 1,341,432,983.81, 2,012,149,475.72 and 372,084,599.81 is: 558,126,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,432,983.81 : 2,012,149,475.72 = 372,084,599.81 : x
  2. Step 2: Convert to fraction form
    1,341,432,983.81/2,012,149,475.72 = 372,084,599.81/x
  3. Step 3: Cross multiply
    1,341,432,983.81x = 2,012,149,475.72 × 372,084,599.81
  4. Step 4: Simplify right side
    1,341,432,983.81x = 748,689,832,435,761,408
  5. Step 5: Solve for x
    x = 748,689,832,435,761,408/1,341,432,983.81
  6. Step 6: Final answer
    x = 558,126,899.72

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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.