Home / 541,964,047.40-812,946,071.10-178,411,164.20

Finding the Fourth Proportional to 541,964,047.40, 812,946,071.10 and 178,411,164.20

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Solution

The fourth proportional to 541,964,047.40, 812,946,071.10 and 178,411,164.20 is: 267,616,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,964,047.40 : 812,946,071.10 = 178,411,164.20 : x
  2. Step 2: Convert to fraction form
    541,964,047.40/812,946,071.10 = 178,411,164.20/x
  3. Step 3: Cross multiply
    541,964,047.40x = 812,946,071.10 × 178,411,164.20
  4. Step 4: Simplify right side
    541,964,047.40x = 145,038,654,976,766,976
  5. Step 5: Solve for x
    x = 145,038,654,976,766,976/541,964,047.40
  6. Step 6: Final answer
    x = 267,616,746.30

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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.