Home / 13,280,088,517.62-18,326,477,661.54-7,258,590,433.77

Finding the Fourth Proportional to 13,280,088,517.62, 18,326,477,661.54 and 7,258,590,433.77

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Solution

The fourth proportional to 13,280,088,517.62, 18,326,477,661.54 and 7,258,590,433.77 is: 10,016,830,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,088,517.62 : 18,326,477,661.54 = 7,258,590,433.77 : x
  2. Step 2: Convert to fraction form
    13,280,088,517.62/18,326,477,661.54 = 7,258,590,433.77/x
  3. Step 3: Cross multiply
    13,280,088,517.62x = 18,326,477,661.54 × 7,258,590,433.77
  4. Step 4: Simplify right side
    13,280,088,517.62x = 133,024,395,438,753,857,536
  5. Step 5: Solve for x
    x = 133,024,395,438,753,857,536/13,280,088,517.62
  6. Step 6: Final answer
    x = 10,016,830,479.88

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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.