Home / 344,958,487.20-517,689,673.20-242,921,815.20

Finding the Fourth Proportional to 344,958,487.20, 517,689,673.20 and 242,921,815.20

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Solution

The fourth proportional to 344,958,487.20, 517,689,673.20 and 242,921,815.20 is: 364,560,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,958,487.20 : 517,689,673.20 = 242,921,815.20 : x
  2. Step 2: Convert to fraction form
    344,958,487.20/517,689,673.20 = 242,921,815.20/x
  3. Step 3: Cross multiply
    344,958,487.20x = 517,689,673.20 × 242,921,815.20
  4. Step 4: Simplify right side
    344,958,487.20x = 125,758,115,124,038,784
  5. Step 5: Solve for x
    x = 125,758,115,124,038,784/344,958,487.20
  6. Step 6: Final answer
    x = 364,560,142.13

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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.