Home / 1,052,988,631.02-1,578,546,281.73-499,949,868.78

Finding the Fourth Proportional to 1,052,988,631.02, 1,578,546,281.73 and 499,949,868.78

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Solution

The fourth proportional to 1,052,988,631.02, 1,578,546,281.73 and 499,949,868.78 is: 749,480,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,988,631.02 : 1,578,546,281.73 = 499,949,868.78 : x
  2. Step 2: Convert to fraction form
    1,052,988,631.02/1,578,546,281.73 = 499,949,868.78/x
  3. Step 3: Cross multiply
    1,052,988,631.02x = 1,578,546,281.73 × 499,949,868.78
  4. Step 4: Simplify right side
    1,052,988,631.02x = 789,194,006,414,070,400
  5. Step 5: Solve for x
    x = 789,194,006,414,070,400/1,052,988,631.02
  6. Step 6: Final answer
    x = 749,480,082.85

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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.