Home / 539,400,936-744,375,265.44-291,882,292.80

Finding the Fourth Proportional to 539,400,936, 744,375,265.44 and 291,882,292.80

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Solution

The fourth proportional to 539,400,936, 744,375,265.44 and 291,882,292.80 is: 402,798,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,400,936 : 744,375,265.44 = 291,882,292.80 : x
  2. Step 2: Convert to fraction form
    539,400,936/744,375,265.44 = 291,882,292.80/x
  3. Step 3: Cross multiply
    539,400,936x = 744,375,265.44 × 291,882,292.80
  4. Step 4: Simplify right side
    539,400,936x = 217,269,959,180,235,840
  5. Step 5: Solve for x
    x = 217,269,959,180,235,840/539,400,936
  6. Step 6: Final answer
    x = 402,798,632.11

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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.