Home / 668,340,517.12-1,002,506,732.16-363,569,528.32

Finding the Fourth Proportional to 668,340,517.12, 1,002,506,732.16 and 363,569,528.32

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Solution

The fourth proportional to 668,340,517.12, 1,002,506,732.16 and 363,569,528.32 is: 545,352,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,340,517.12 : 1,002,506,732.16 = 363,569,528.32 : x
  2. Step 2: Convert to fraction form
    668,340,517.12/1,002,506,732.16 = 363,569,528.32/x
  3. Step 3: Cross multiply
    668,340,517.12x = 1,002,506,732.16 × 363,569,528.32
  4. Step 4: Simplify right side
    668,340,517.12x = 364,480,899,749,035,776
  5. Step 5: Solve for x
    x = 364,480,899,749,035,776/668,340,517.12
  6. Step 6: Final answer
    x = 545,352,092.85

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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.