Home / 625,609,861.40-938,131,356.90-237,303,637.40

Finding the Fourth Proportional to 625,609,861.40, 938,131,356.90 and 237,303,637.40

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Solution

The fourth proportional to 625,609,861.40, 938,131,356.90 and 237,303,637.40 is: 355,847,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,609,861.40 : 938,131,356.90 = 237,303,637.40 : x
  2. Step 2: Convert to fraction form
    625,609,861.40/938,131,356.90 = 237,303,637.40/x
  3. Step 3: Cross multiply
    625,609,861.40x = 938,131,356.90 × 237,303,637.40
  4. Step 4: Simplify right side
    625,609,861.40x = 222,621,983,351,367,584
  5. Step 5: Solve for x
    x = 222,621,983,351,367,584/625,609,861.40
  6. Step 6: Final answer
    x = 355,847,944.68

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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.