Home / 347,745,331.20-521,617,996.80-186,502,195.20

Finding the Fourth Proportional to 347,745,331.20, 521,617,996.80 and 186,502,195.20

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Solution

The fourth proportional to 347,745,331.20, 521,617,996.80 and 186,502,195.20 is: 279,753,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,745,331.20 : 521,617,996.80 = 186,502,195.20 : x
  2. Step 2: Convert to fraction form
    347,745,331.20/521,617,996.80 = 186,502,195.20/x
  3. Step 3: Cross multiply
    347,745,331.20x = 521,617,996.80 × 186,502,195.20
  4. Step 4: Simplify right side
    347,745,331.20x = 97,282,901,459,026,576
  5. Step 5: Solve for x
    x = 97,282,901,459,026,576/347,745,331.20
  6. Step 6: Final answer
    x = 279,753,292.80

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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.