Home / 690,068,024.48-1,034,738,830.01-471,780,792.78

Finding the Fourth Proportional to 690,068,024.48, 1,034,738,830.01 and 471,780,792.78

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Solution

The fourth proportional to 690,068,024.48, 1,034,738,830.01 and 471,780,792.78 is: 707,422,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,068,024.48 : 1,034,738,830.01 = 471,780,792.78 : x
  2. Step 2: Convert to fraction form
    690,068,024.48/1,034,738,830.01 = 471,780,792.78/x
  3. Step 3: Cross multiply
    690,068,024.48x = 1,034,738,830.01 × 471,780,792.78
  4. Step 4: Simplify right side
    690,068,024.48x = 488,169,905,542,850,240
  5. Step 5: Solve for x
    x = 488,169,905,542,850,240/690,068,024.48
  6. Step 6: Final answer
    x = 707,422,874.60

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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.