Home / 1,129,868,667.86-1,694,808,414.61-342,929,156.66

Finding the Fourth Proportional to 1,129,868,667.86, 1,694,808,414.61 and 342,929,156.66

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Solution

The fourth proportional to 1,129,868,667.86, 1,694,808,414.61 and 342,929,156.66 is: 514,395,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,868,667.86 : 1,694,808,414.61 = 342,929,156.66 : x
  2. Step 2: Convert to fraction form
    1,129,868,667.86/1,694,808,414.61 = 342,929,156.66/x
  3. Step 3: Cross multiply
    1,129,868,667.86x = 1,694,808,414.61 × 342,929,156.66
  4. Step 4: Simplify right side
    1,129,868,667.86x = 581,199,220,322,478,976
  5. Step 5: Solve for x
    x = 581,199,220,322,478,976/1,129,868,667.86
  6. Step 6: Final answer
    x = 514,395,377.85

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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.