Home / 10,261,573,889.60-15,392,360,834.40-8,792,245,812.80

Finding the Fourth Proportional to 10,261,573,889.60, 15,392,360,834.40 and 8,792,245,812.80

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Solution

The fourth proportional to 10,261,573,889.60, 15,392,360,834.40 and 8,792,245,812.80 is: 13,188,368,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261,573,889.60 : 15,392,360,834.40 = 8,792,245,812.80 : x
  2. Step 2: Convert to fraction form
    10,261,573,889.60/15,392,360,834.40 = 8,792,245,812.80/x
  3. Step 3: Cross multiply
    10,261,573,889.60x = 15,392,360,834.40 × 8,792,245,812.80
  4. Step 4: Simplify right side
    10,261,573,889.60x = 135,333,420,095,360,106,496
  5. Step 5: Solve for x
    x = 135,333,420,095,360,106,496/10,261,573,889.60
  6. Step 6: Final answer
    x = 13,188,368,719.20

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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.