Home / 708,589,318.40-1,062,883,977.60-450,946,721.60

Finding the Fourth Proportional to 708,589,318.40, 1,062,883,977.60 and 450,946,721.60

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Solution

The fourth proportional to 708,589,318.40, 1,062,883,977.60 and 450,946,721.60 is: 676,420,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,318.40 : 1,062,883,977.60 = 450,946,721.60 : x
  2. Step 2: Convert to fraction form
    708,589,318.40/1,062,883,977.60 = 450,946,721.60/x
  3. Step 3: Cross multiply
    708,589,318.40x = 1,062,883,977.60 × 450,946,721.60
  4. Step 4: Simplify right side
    708,589,318.40x = 479,304,045,139,887,872
  5. Step 5: Solve for x
    x = 479,304,045,139,887,872/708,589,318.40
  6. Step 6: Final answer
    x = 676,420,082.40

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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.