Home / 714,074,429.10-1,071,111,643.65-662,418,363.90

Finding the Fourth Proportional to 714,074,429.10, 1,071,111,643.65 and 662,418,363.90

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Solution

The fourth proportional to 714,074,429.10, 1,071,111,643.65 and 662,418,363.90 is: 993,627,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,074,429.10 : 1,071,111,643.65 = 662,418,363.90 : x
  2. Step 2: Convert to fraction form
    714,074,429.10/1,071,111,643.65 = 662,418,363.90/x
  3. Step 3: Cross multiply
    714,074,429.10x = 1,071,111,643.65 × 662,418,363.90
  4. Step 4: Simplify right side
    714,074,429.10x = 709,524,022,540,872,832
  5. Step 5: Solve for x
    x = 709,524,022,540,872,832/714,074,429.10
  6. Step 6: Final answer
    x = 993,627,545.85

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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.