Home / 20,737,810,369.95-31,103,207,033.13-5,811,540,636.12

Finding the Fourth Proportional to 20,737,810,369.95, 31,103,207,033.13 and 5,811,540,636.12

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Solution

The fourth proportional to 20,737,810,369.95, 31,103,207,033.13 and 5,811,540,636.12 is: 8,716,327,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,810,369.95 : 31,103,207,033.13 = 5,811,540,636.12 : x
  2. Step 2: Convert to fraction form
    20,737,810,369.95/31,103,207,033.13 = 5,811,540,636.12/x
  3. Step 3: Cross multiply
    20,737,810,369.95x = 31,103,207,033.13 × 5,811,540,636.12
  4. Step 4: Simplify right side
    20,737,810,369.95x = 180,757,551,586,688,368,640
  5. Step 5: Solve for x
    x = 180,757,551,586,688,368,640/20,737,810,369.95
  6. Step 6: Final answer
    x = 8,716,327,729.98

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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.