Home / 370,681,459.02-511,544,272.29-203,428,553.13

Finding the Fourth Proportional to 370,681,459.02, 511,544,272.29 and 203,428,553.13

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Solution

The fourth proportional to 370,681,459.02, 511,544,272.29 and 203,428,553.13 is: 280,733,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,681,459.02 : 511,544,272.29 = 203,428,553.13 : x
  2. Step 2: Convert to fraction form
    370,681,459.02/511,544,272.29 = 203,428,553.13/x
  3. Step 3: Cross multiply
    370,681,459.02x = 511,544,272.29 × 203,428,553.13
  4. Step 4: Simplify right side
    370,681,459.02x = 104,062,711,173,893,456
  5. Step 5: Solve for x
    x = 104,062,711,173,893,456/370,681,459.02
  6. Step 6: Final answer
    x = 280,733,521.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.