Home / 521,086,546.01-719,111,928.11-282,941,766.98

Finding the Fourth Proportional to 521,086,546.01, 719,111,928.11 and 282,941,766.98

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Solution

The fourth proportional to 521,086,546.01, 719,111,928.11 and 282,941,766.98 is: 390,466,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,086,546.01 : 719,111,928.11 = 282,941,766.98 : x
  2. Step 2: Convert to fraction form
    521,086,546.01/719,111,928.11 = 282,941,766.98/x
  3. Step 3: Cross multiply
    521,086,546.01x = 719,111,928.11 × 282,941,766.98
  4. Step 4: Simplify right side
    521,086,546.01x = 203,466,799,595,838,144
  5. Step 5: Solve for x
    x = 203,466,799,595,838,144/521,086,546.01
  6. Step 6: Final answer
    x = 390,466,422.81

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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.