Home / 972,477,236.91-1,457,898,432.68-787,786,702.56

Finding the Fourth Proportional to 972,477,236.91, 1,457,898,432.68 and 787,786,702.56

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Solution

The fourth proportional to 972,477,236.91, 1,457,898,432.68 and 787,786,702.56 is: 1,181,017,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,477,236.91 : 1,457,898,432.68 = 787,786,702.56 : x
  2. Step 2: Convert to fraction form
    972,477,236.91/1,457,898,432.68 = 787,786,702.56/x
  3. Step 3: Cross multiply
    972,477,236.91x = 1,457,898,432.68 × 787,786,702.56
  4. Step 4: Simplify right side
    972,477,236.91x = 1,148,512,998,948,369,280
  5. Step 5: Solve for x
    x = 1,148,512,998,948,369,280/972,477,236.91
  6. Step 6: Final answer
    x = 1,181,017,874.10

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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.