Home / 933,123,937.20-1,399,685,905.80-691,259,233.20

Finding the Fourth Proportional to 933,123,937.20, 1,399,685,905.80 and 691,259,233.20

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Solution

The fourth proportional to 933,123,937.20, 1,399,685,905.80 and 691,259,233.20 is: 1,036,888,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,123,937.20 : 1,399,685,905.80 = 691,259,233.20 : x
  2. Step 2: Convert to fraction form
    933,123,937.20/1,399,685,905.80 = 691,259,233.20/x
  3. Step 3: Cross multiply
    933,123,937.20x = 1,399,685,905.80 × 691,259,233.20
  4. Step 4: Simplify right side
    933,123,937.20x = 967,545,805,964,155,520
  5. Step 5: Solve for x
    x = 967,545,805,964,155,520/933,123,937.20
  6. Step 6: Final answer
    x = 1,036,888,849.80

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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.