Home / 485,579,052.32-728,607,732.39-226,756,656.50

Finding the Fourth Proportional to 485,579,052.32, 728,607,732.39 and 226,756,656.50

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Solution

The fourth proportional to 485,579,052.32, 728,607,732.39 and 226,756,656.50 is: 340,246,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,579,052.32 : 728,607,732.39 = 226,756,656.50 : x
  2. Step 2: Convert to fraction form
    485,579,052.32/728,607,732.39 = 226,756,656.50/x
  3. Step 3: Cross multiply
    485,579,052.32x = 728,607,732.39 × 226,756,656.50
  4. Step 4: Simplify right side
    485,579,052.32x = 165,216,653,293,160,128
  5. Step 5: Solve for x
    x = 165,216,653,293,160,128/485,579,052.32
  6. Step 6: Final answer
    x = 340,246,665.31

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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.