Home / 18,650,836,139.70-27,976,254,209.55-7,603,329,861.30

Finding the Fourth Proportional to 18,650,836,139.70, 27,976,254,209.55 and 7,603,329,861.30

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Solution

The fourth proportional to 18,650,836,139.70, 27,976,254,209.55 and 7,603,329,861.30 is: 11,404,994,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,836,139.70 : 27,976,254,209.55 = 7,603,329,861.30 : x
  2. Step 2: Convert to fraction form
    18,650,836,139.70/27,976,254,209.55 = 7,603,329,861.30/x
  3. Step 3: Cross multiply
    18,650,836,139.70x = 27,976,254,209.55 × 7,603,329,861.30
  4. Step 4: Simplify right side
    18,650,836,139.70x = 212,712,689,038,791,344,128
  5. Step 5: Solve for x
    x = 212,712,689,038,791,344,128/18,650,836,139.70
  6. Step 6: Final answer
    x = 11,404,994,791.95

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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.