Home / 314,928,732.20-472,393,098.30-283,183,989.80

Finding the Fourth Proportional to 314,928,732.20, 472,393,098.30 and 283,183,989.80

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Solution

The fourth proportional to 314,928,732.20, 472,393,098.30 and 283,183,989.80 is: 424,775,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,732.20 : 472,393,098.30 = 283,183,989.80 : x
  2. Step 2: Convert to fraction form
    314,928,732.20/472,393,098.30 = 283,183,989.80/x
  3. Step 3: Cross multiply
    314,928,732.20x = 472,393,098.30 × 283,183,989.80
  4. Step 4: Simplify right side
    314,928,732.20x = 133,774,162,330,577,600
  5. Step 5: Solve for x
    x = 133,774,162,330,577,600/314,928,732.20
  6. Step 6: Final answer
    x = 424,775,984.70

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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.