Home / 13,947,889,914.60-20,912,025,166.02-6,478,542,364.92

Finding the Fourth Proportional to 13,947,889,914.60, 20,912,025,166.02 and 6,478,542,364.92

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Solution

The fourth proportional to 13,947,889,914.60, 20,912,025,166.02 and 6,478,542,364.92 is: 9,713,257,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947,889,914.60 : 20,912,025,166.02 = 6,478,542,364.92 : x
  2. Step 2: Convert to fraction form
    13,947,889,914.60/20,912,025,166.02 = 6,478,542,364.92/x
  3. Step 3: Cross multiply
    13,947,889,914.60x = 20,912,025,166.02 × 6,478,542,364.92
  4. Step 4: Simplify right side
    13,947,889,914.60x = 135,479,440,974,333,771,776
  5. Step 5: Solve for x
    x = 135,479,440,974,333,771,776/13,947,889,914.60
  6. Step 6: Final answer
    x = 9,713,257,116.59

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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.