Home / 438,710,562.68-658,065,804.07-193,067,197.43

Finding the Fourth Proportional to 438,710,562.68, 658,065,804.07 and 193,067,197.43

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Solution

The fourth proportional to 438,710,562.68, 658,065,804.07 and 193,067,197.43 is: 289,600,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,710,562.68 : 658,065,804.07 = 193,067,197.43 : x
  2. Step 2: Convert to fraction form
    438,710,562.68/658,065,804.07 = 193,067,197.43/x
  3. Step 3: Cross multiply
    438,710,562.68x = 658,065,804.07 × 193,067,197.43
  4. Step 4: Simplify right side
    438,710,562.68x = 127,050,920,516,314,400
  5. Step 5: Solve for x
    x = 127,050,920,516,314,400/438,710,562.68
  6. Step 6: Final answer
    x = 289,600,778.56

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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.