Home / 758,390,833.10-1,136,587,429.19-321,150,489.50

Finding the Fourth Proportional to 758,390,833.10, 1,136,587,429.19 and 321,150,489.50

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Solution

The fourth proportional to 758,390,833.10, 1,136,587,429.19 and 321,150,489.50 is: 481,302,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,390,833.10 : 1,136,587,429.19 = 321,150,489.50 : x
  2. Step 2: Convert to fraction form
    758,390,833.10/1,136,587,429.19 = 321,150,489.50/x
  3. Step 3: Cross multiply
    758,390,833.10x = 1,136,587,429.19 × 321,150,489.50
  4. Step 4: Simplify right side
    758,390,833.10x = 365,015,609,236,626,368
  5. Step 5: Solve for x
    x = 365,015,609,236,626,368/758,390,833.10
  6. Step 6: Final answer
    x = 481,302,770.69

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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.