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Finding the Fourth Proportional to 607,654,142.60, 911,375,589.99 and 170,851,159.47

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Solution

The fourth proportional to 607,654,142.60, 911,375,589.99 and 170,851,159.47 is: 256,247,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,654,142.60 : 911,375,589.99 = 170,851,159.47 : x
  2. Step 2: Convert to fraction form
    607,654,142.60/911,375,589.99 = 170,851,159.47/x
  3. Step 3: Cross multiply
    607,654,142.60x = 911,375,589.99 × 170,851,159.47
  4. Step 4: Simplify right side
    607,654,142.60x = 155,709,576,266,505,152
  5. Step 5: Solve for x
    x = 155,709,576,266,505,152/607,654,142.60
  6. Step 6: Final answer
    x = 256,247,041.45

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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.