Home / 576,068,420.92-864,104,873.18-139,368,404.36

Finding the Fourth Proportional to 576,068,420.92, 864,104,873.18 and 139,368,404.36

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Solution

The fourth proportional to 576,068,420.92, 864,104,873.18 and 139,368,404.36 is: 209,053,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,068,420.92 : 864,104,873.18 = 139,368,404.36 : x
  2. Step 2: Convert to fraction form
    576,068,420.92/864,104,873.18 = 139,368,404.36/x
  3. Step 3: Cross multiply
    576,068,420.92x = 864,104,873.18 × 139,368,404.36
  4. Step 4: Simplify right side
    576,068,420.92x = 120,428,917,374,796,768
  5. Step 5: Solve for x
    x = 120,428,917,374,796,768/576,068,420.92
  6. Step 6: Final answer
    x = 209,053,148.90

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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.