Home / 323,411,094.80-485,116,642.20-177,788,387.60

Finding the Fourth Proportional to 323,411,094.80, 485,116,642.20 and 177,788,387.60

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Solution

The fourth proportional to 323,411,094.80, 485,116,642.20 and 177,788,387.60 is: 266,682,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,411,094.80 : 485,116,642.20 = 177,788,387.60 : x
  2. Step 2: Convert to fraction form
    323,411,094.80/485,116,642.20 = 177,788,387.60/x
  3. Step 3: Cross multiply
    323,411,094.80x = 485,116,642.20 × 177,788,387.60
  4. Step 4: Simplify right side
    323,411,094.80x = 86,248,105,614,664,112
  5. Step 5: Solve for x
    x = 86,248,105,614,664,112/323,411,094.80
  6. Step 6: Final answer
    x = 266,682,581.40

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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.