Home / 231,787,011,338.10-347,680,517,007.15-220,767,050,762.10

Finding the Fourth Proportional to 231,787,011,338.10, 347,680,517,007.15 and 220,767,050,762.10

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Solution

The fourth proportional to 231,787,011,338.10, 347,680,517,007.15 and 220,767,050,762.10 is: 331,150,576,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,011,338.10 : 347,680,517,007.15 = 220,767,050,762.10 : x
  2. Step 2: Convert to fraction form
    231,787,011,338.10/347,680,517,007.15 = 220,767,050,762.10/x
  3. Step 3: Cross multiply
    231,787,011,338.10x = 347,680,517,007.15 × 220,767,050,762.10
  4. Step 4: Simplify right side
    231,787,011,338.10x = 76,756,402,347,110,658,211,840
  5. Step 5: Solve for x
    x = 76,756,402,347,110,658,211,840/231,787,011,338.10
  6. Step 6: Final answer
    x = 331,150,576,143.15

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Double scale
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1.5x scale

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.