Home / 438,710,546.39-658,065,779.63-193,067,181.15

Finding the Fourth Proportional to 438,710,546.39, 658,065,779.63 and 193,067,181.15

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Solution

The fourth proportional to 438,710,546.39, 658,065,779.63 and 193,067,181.15 is: 289,600,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,710,546.39 : 658,065,779.63 = 193,067,181.15 : x
  2. Step 2: Convert to fraction form
    438,710,546.39/658,065,779.63 = 193,067,181.15/x
  3. Step 3: Cross multiply
    438,710,546.39x = 658,065,779.63 × 193,067,181.15
  4. Step 4: Simplify right side
    438,710,546.39x = 127,050,905,086,729,376
  5. Step 5: Solve for x
    x = 127,050,905,086,729,376/438,710,546.39
  6. Step 6: Final answer
    x = 289,600,754.15

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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.