Home / 399,868,717.12-599,829,393.96-104,771,062.78

Finding the Fourth Proportional to 399,868,717.12, 599,829,393.96 and 104,771,062.78

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Solution

The fourth proportional to 399,868,717.12, 599,829,393.96 and 104,771,062.78 is: 157,163,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,868,717.12 : 599,829,393.96 = 104,771,062.78 : x
  2. Step 2: Convert to fraction form
    399,868,717.12/599,829,393.96 = 104,771,062.78/x
  3. Step 3: Cross multiply
    399,868,717.12x = 599,829,393.96 × 104,771,062.78
  4. Step 4: Simplify right side
    399,868,717.12x = 62,844,763,091,872,520
  5. Step 5: Solve for x
    x = 62,844,763,091,872,520/399,868,717.12
  6. Step 6: Final answer
    x = 157,163,489.92

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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.