Home / 8,671,638,950.27-11,966,861,750.18-4,912,449,517.92

Finding the Fourth Proportional to 8,671,638,950.27, 11,966,861,750.18 and 4,912,449,517.92

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Solution

The fourth proportional to 8,671,638,950.27, 11,966,861,750.18 and 4,912,449,517.92 is: 6,779,180,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,638,950.27 : 11,966,861,750.18 = 4,912,449,517.92 : x
  2. Step 2: Convert to fraction form
    8,671,638,950.27/11,966,861,750.18 = 4,912,449,517.92/x
  3. Step 3: Cross multiply
    8,671,638,950.27x = 11,966,861,750.18 × 4,912,449,517.92
  4. Step 4: Simplify right side
    8,671,638,950.27x = 58,786,604,235,662,467,072
  5. Step 5: Solve for x
    x = 58,786,604,235,662,467,072/8,671,638,950.27
  6. Step 6: Final answer
    x = 6,779,180,334.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.