Home / 541,964,046.40-812,946,069.60-178,411,163.20

Finding the Fourth Proportional to 541,964,046.40, 812,946,069.60 and 178,411,163.20

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Solution

The fourth proportional to 541,964,046.40, 812,946,069.60 and 178,411,163.20 is: 267,616,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,964,046.40 : 812,946,069.60 = 178,411,163.20 : x
  2. Step 2: Convert to fraction form
    541,964,046.40/812,946,069.60 = 178,411,163.20/x
  3. Step 3: Cross multiply
    541,964,046.40x = 812,946,069.60 × 178,411,163.20
  4. Step 4: Simplify right side
    541,964,046.40x = 145,038,653,896,204,160
  5. Step 5: Solve for x
    x = 145,038,653,896,204,160/541,964,046.40
  6. Step 6: Final answer
    x = 267,616,744.80

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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.