Home / 52,007,702,990.70-78,011,554,486.05-12,749,093,438.70

Finding the Fourth Proportional to 52,007,702,990.70, 78,011,554,486.05 and 12,749,093,438.70

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Solution

The fourth proportional to 52,007,702,990.70, 78,011,554,486.05 and 12,749,093,438.70 is: 19,123,640,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,702,990.70 : 78,011,554,486.05 = 12,749,093,438.70 : x
  2. Step 2: Convert to fraction form
    52,007,702,990.70/78,011,554,486.05 = 12,749,093,438.70/x
  3. Step 3: Cross multiply
    52,007,702,990.70x = 78,011,554,486.05 × 12,749,093,438.70
  4. Step 4: Simplify right side
    52,007,702,990.70x = 994,576,597,440,887,652,352
  5. Step 5: Solve for x
    x = 994,576,597,440,887,652,352/52,007,702,990.70
  6. Step 6: Final answer
    x = 19,123,640,158.05

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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.