Home / 485,377,694.55-728,066,541.83-178,889,764.95

Finding the Fourth Proportional to 485,377,694.55, 728,066,541.83 and 178,889,764.95

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Solution

The fourth proportional to 485,377,694.55, 728,066,541.83 and 178,889,764.95 is: 268,334,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,377,694.55 : 728,066,541.83 = 178,889,764.95 : x
  2. Step 2: Convert to fraction form
    485,377,694.55/728,066,541.83 = 178,889,764.95/x
  3. Step 3: Cross multiply
    485,377,694.55x = 728,066,541.83 × 178,889,764.95
  4. Step 4: Simplify right side
    485,377,694.55x = 130,243,652,535,033,600
  5. Step 5: Solve for x
    x = 130,243,652,535,033,600/485,377,694.55
  6. Step 6: Final answer
    x = 268,334,647.43

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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.