Home / 930,836,702.30-1,396,255,053.45-917,231,812.70

Finding the Fourth Proportional to 930,836,702.30, 1,396,255,053.45 and 917,231,812.70

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Solution

The fourth proportional to 930,836,702.30, 1,396,255,053.45 and 917,231,812.70 is: 1,375,847,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,836,702.30 : 1,396,255,053.45 = 917,231,812.70 : x
  2. Step 2: Convert to fraction form
    930,836,702.30/1,396,255,053.45 = 917,231,812.70/x
  3. Step 3: Cross multiply
    930,836,702.30x = 1,396,255,053.45 × 917,231,812.70
  4. Step 4: Simplify right side
    930,836,702.30x = 1,280,689,553,667,479,040
  5. Step 5: Solve for x
    x = 1,280,689,553,667,479,040/930,836,702.30
  6. Step 6: Final answer
    x = 1,375,847,719.05

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1.5x scale

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.