Home / 399,404,003.40-599,106,005.10-384,098,502.60

Finding the Fourth Proportional to 399,404,003.40, 599,106,005.10 and 384,098,502.60

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Solution

The fourth proportional to 399,404,003.40, 599,106,005.10 and 384,098,502.60 is: 576,147,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,404,003.40 : 599,106,005.10 = 384,098,502.60 : x
  2. Step 2: Convert to fraction form
    399,404,003.40/599,106,005.10 = 384,098,502.60/x
  3. Step 3: Cross multiply
    399,404,003.40x = 599,106,005.10 × 384,098,502.60
  4. Step 4: Simplify right side
    399,404,003.40x = 230,115,719,457,577,984
  5. Step 5: Solve for x
    x = 230,115,719,457,577,984/399,404,003.40
  6. Step 6: Final answer
    x = 576,147,753.90

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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.