Home / 625,609,915.40-938,131,437.90-237,303,691.40

Finding the Fourth Proportional to 625,609,915.40, 938,131,437.90 and 237,303,691.40

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Solution

The fourth proportional to 625,609,915.40, 938,131,437.90 and 237,303,691.40 is: 355,848,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,609,915.40 : 938,131,437.90 = 237,303,691.40 : x
  2. Step 2: Convert to fraction form
    625,609,915.40/938,131,437.90 = 237,303,691.40/x
  3. Step 3: Cross multiply
    625,609,915.40x = 938,131,437.90 × 237,303,691.40
  4. Step 4: Simplify right side
    625,609,915.40x = 222,622,053,232,059,872
  5. Step 5: Solve for x
    x = 222,622,053,232,059,872/625,609,915.40
  6. Step 6: Final answer
    x = 355,848,025.67

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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.