Home / 358,458,541.40-537,687,812.10-247,493,660.60

Finding the Fourth Proportional to 358,458,541.40, 537,687,812.10 and 247,493,660.60

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Solution

The fourth proportional to 358,458,541.40, 537,687,812.10 and 247,493,660.60 is: 371,240,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,458,541.40 : 537,687,812.10 = 247,493,660.60 : x
  2. Step 2: Convert to fraction form
    358,458,541.40/537,687,812.10 = 247,493,660.60/x
  3. Step 3: Cross multiply
    358,458,541.40x = 537,687,812.10 × 247,493,660.60
  4. Step 4: Simplify right side
    358,458,541.40x = 133,074,324,876,633,968
  5. Step 5: Solve for x
    x = 133,074,324,876,633,968/358,458,541.40
  6. Step 6: Final answer
    x = 371,240,490.90

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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.