Home / 8,085,114,207.90-12,127,671,311.85-3,942,425,324.70

Finding the Fourth Proportional to 8,085,114,207.90, 12,127,671,311.85 and 3,942,425,324.70

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Solution

The fourth proportional to 8,085,114,207.90, 12,127,671,311.85 and 3,942,425,324.70 is: 5,913,637,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,114,207.90 : 12,127,671,311.85 = 3,942,425,324.70 : x
  2. Step 2: Convert to fraction form
    8,085,114,207.90/12,127,671,311.85 = 3,942,425,324.70/x
  3. Step 3: Cross multiply
    8,085,114,207.90x = 12,127,671,311.85 × 3,942,425,324.70
  4. Step 4: Simplify right side
    8,085,114,207.90x = 47,812,438,509,475,110,912
  5. Step 5: Solve for x
    x = 47,812,438,509,475,110,912/8,085,114,207.90
  6. Step 6: Final answer
    x = 5,913,637,987.05

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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.