Home / 556,044,800.10-834,067,200.15-426,904,637.10

Finding the Fourth Proportional to 556,044,800.10, 834,067,200.15 and 426,904,637.10

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Solution

The fourth proportional to 556,044,800.10, 834,067,200.15 and 426,904,637.10 is: 640,356,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,044,800.10 : 834,067,200.15 = 426,904,637.10 : x
  2. Step 2: Convert to fraction form
    556,044,800.10/834,067,200.15 = 426,904,637.10/x
  3. Step 3: Cross multiply
    556,044,800.10x = 834,067,200.15 × 426,904,637.10
  4. Step 4: Simplify right side
    556,044,800.10x = 356,067,155,397,048,832
  5. Step 5: Solve for x
    x = 356,067,155,397,048,832/556,044,800.10
  6. Step 6: Final answer
    x = 640,356,955.65

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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.