Home / 742,583,834.25-1,024,773,847.56-408,056,443.26

Finding the Fourth Proportional to 742,583,834.25, 1,024,773,847.56 and 408,056,443.26

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Solution

The fourth proportional to 742,583,834.25, 1,024,773,847.56 and 408,056,443.26 is: 563,122,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,583,834.25 : 1,024,773,847.56 = 408,056,443.26 : x
  2. Step 2: Convert to fraction form
    742,583,834.25/1,024,773,847.56 = 408,056,443.26/x
  3. Step 3: Cross multiply
    742,583,834.25x = 1,024,773,847.56 × 408,056,443.26
  4. Step 4: Simplify right side
    742,583,834.25x = 418,165,571,381,198,976
  5. Step 5: Solve for x
    x = 418,165,571,381,198,976/742,583,834.25
  6. Step 6: Final answer
    x = 563,122,373.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.