Home / 747,154,148.76-1,120,616,286.72-249,173,412.22

Finding the Fourth Proportional to 747,154,148.76, 1,120,616,286.72 and 249,173,412.22

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Solution

The fourth proportional to 747,154,148.76, 1,120,616,286.72 and 249,173,412.22 is: 373,721,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,154,148.76 : 1,120,616,286.72 = 249,173,412.22 : x
  2. Step 2: Convert to fraction form
    747,154,148.76/1,120,616,286.72 = 249,173,412.22/x
  3. Step 3: Cross multiply
    747,154,148.76x = 1,120,616,286.72 × 249,173,412.22
  4. Step 4: Simplify right side
    747,154,148.76x = 279,227,783,951,328,288
  5. Step 5: Solve for x
    x = 279,227,783,951,328,288/747,154,148.76
  6. Step 6: Final answer
    x = 373,721,787.42

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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.