Home / 382,589,108,345.15-527,969,831,847.21-208,974,358,515.55

Finding the Fourth Proportional to 382,589,108,345.15, 527,969,831,847.21 and 208,974,358,515.55

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Solution

The fourth proportional to 382,589,108,345.15, 527,969,831,847.21 and 208,974,358,515.55 is: 288,382,900,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,589,108,345.15 : 527,969,831,847.21 = 208,974,358,515.55 : x
  2. Step 2: Convert to fraction form
    382,589,108,345.15/527,969,831,847.21 = 208,974,358,515.55/x
  3. Step 3: Cross multiply
    382,589,108,345.15x = 527,969,831,847.21 × 208,974,358,515.55
  4. Step 4: Simplify right side
    382,589,108,345.15x = 110,332,156,925,833,511,960,576
  5. Step 5: Solve for x
    x = 110,332,156,925,833,511,960,576/382,589,108,345.15
  6. Step 6: Final answer
    x = 288,382,900,922.26

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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.