Home / 499,952,223.60-749,928,335.40-136,483,321.20

Finding the Fourth Proportional to 499,952,223.60, 749,928,335.40 and 136,483,321.20

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Solution

The fourth proportional to 499,952,223.60, 749,928,335.40 and 136,483,321.20 is: 204,724,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,952,223.60 : 749,928,335.40 = 136,483,321.20 : x
  2. Step 2: Convert to fraction form
    499,952,223.60/749,928,335.40 = 136,483,321.20/x
  3. Step 3: Cross multiply
    499,952,223.60x = 749,928,335.40 × 136,483,321.20
  4. Step 4: Simplify right side
    499,952,223.60x = 102,352,709,877,379,520
  5. Step 5: Solve for x
    x = 102,352,709,877,379,520/499,952,223.60
  6. Step 6: Final answer
    x = 204,724,981.80

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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.