Home / 399,480,398.88-599,220,598.32-112,266,062.88

Finding the Fourth Proportional to 399,480,398.88, 599,220,598.32 and 112,266,062.88

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Solution

The fourth proportional to 399,480,398.88, 599,220,598.32 and 112,266,062.88 is: 168,399,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,480,398.88 : 599,220,598.32 = 112,266,062.88 : x
  2. Step 2: Convert to fraction form
    399,480,398.88/599,220,598.32 = 112,266,062.88/x
  3. Step 3: Cross multiply
    399,480,398.88x = 599,220,598.32 × 112,266,062.88
  4. Step 4: Simplify right side
    399,480,398.88x = 67,272,137,366,426,912
  5. Step 5: Solve for x
    x = 67,272,137,366,426,912/399,480,398.88
  6. Step 6: Final answer
    x = 168,399,094.31

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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.