Home / 465,254,909.98-642,147,050.37-277,193,372.20

Finding the Fourth Proportional to 465,254,909.98, 642,147,050.37 and 277,193,372.20

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Solution

The fourth proportional to 465,254,909.98, 642,147,050.37 and 277,193,372.20 is: 382,583,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,254,909.98 : 642,147,050.37 = 277,193,372.20 : x
  2. Step 2: Convert to fraction form
    465,254,909.98/642,147,050.37 = 277,193,372.20/x
  3. Step 3: Cross multiply
    465,254,909.98x = 642,147,050.37 × 277,193,372.20
  4. Step 4: Simplify right side
    465,254,909.98x = 177,998,906,340,343,552
  5. Step 5: Solve for x
    x = 177,998,906,340,343,552/465,254,909.98
  6. Step 6: Final answer
    x = 382,583,617.11

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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.