Home / 502,921,495.20-754,382,242.80-442,455,319.20

Finding the Fourth Proportional to 502,921,495.20, 754,382,242.80 and 442,455,319.20

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Solution

The fourth proportional to 502,921,495.20, 754,382,242.80 and 442,455,319.20 is: 663,682,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,921,495.20 : 754,382,242.80 = 442,455,319.20 : x
  2. Step 2: Convert to fraction form
    502,921,495.20/754,382,242.80 = 442,455,319.20/x
  3. Step 3: Cross multiply
    502,921,495.20x = 754,382,242.80 × 442,455,319.20
  4. Step 4: Simplify right side
    502,921,495.20x = 333,780,436,036,885,888
  5. Step 5: Solve for x
    x = 333,780,436,036,885,888/502,921,495.20
  6. Step 6: Final answer
    x = 663,682,978.80

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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.