Home / 589,259,967.82-813,198,386.63-321,350,417.85

Finding the Fourth Proportional to 589,259,967.82, 813,198,386.63 and 321,350,417.85

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Solution

The fourth proportional to 589,259,967.82, 813,198,386.63 and 321,350,417.85 is: 443,474,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,259,967.82 : 813,198,386.63 = 321,350,417.85 : x
  2. Step 2: Convert to fraction form
    589,259,967.82/813,198,386.63 = 321,350,417.85/x
  3. Step 3: Cross multiply
    589,259,967.82x = 813,198,386.63 × 321,350,417.85
  4. Step 4: Simplify right side
    589,259,967.82x = 261,321,641,334,430,368
  5. Step 5: Solve for x
    x = 261,321,641,334,430,368/589,259,967.82
  6. Step 6: Final answer
    x = 443,474,282.33

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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.