Home / 653,508,103.68-901,841,325.12-356,150,416.32

Finding the Fourth Proportional to 653,508,103.68, 901,841,325.12 and 356,150,416.32

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Solution

The fourth proportional to 653,508,103.68, 901,841,325.12 and 356,150,416.32 is: 491,487,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,508,103.68 : 901,841,325.12 = 356,150,416.32 : x
  2. Step 2: Convert to fraction form
    653,508,103.68/901,841,325.12 = 356,150,416.32/x
  3. Step 3: Cross multiply
    653,508,103.68x = 901,841,325.12 × 356,150,416.32
  4. Step 4: Simplify right side
    653,508,103.68x = 321,191,163,396,068,480
  5. Step 5: Solve for x
    x = 321,191,163,396,068,480/653,508,103.68
  6. Step 6: Final answer
    x = 491,487,651.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.