Home / 52,007,702,991.20-78,011,554,486.80-12,749,093,439.20

Finding the Fourth Proportional to 52,007,702,991.20, 78,011,554,486.80 and 12,749,093,439.20

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Solution

The fourth proportional to 52,007,702,991.20, 78,011,554,486.80 and 12,749,093,439.20 is: 19,123,640,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,702,991.20 : 78,011,554,486.80 = 12,749,093,439.20 : x
  2. Step 2: Convert to fraction form
    52,007,702,991.20/78,011,554,486.80 = 12,749,093,439.20/x
  3. Step 3: Cross multiply
    52,007,702,991.20x = 78,011,554,486.80 × 12,749,093,439.20
  4. Step 4: Simplify right side
    52,007,702,991.20x = 994,576,597,489,455,333,376
  5. Step 5: Solve for x
    x = 994,576,597,489,455,333,376/52,007,702,991.20
  6. Step 6: Final answer
    x = 19,123,640,158.80

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Double scale
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Similar ratio
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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.