Home / 21,613,342,174.47-29,824,783,706.18-13,154,231,030.76

Finding the Fourth Proportional to 21,613,342,174.47, 29,824,783,706.18 and 13,154,231,030.76

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Solution

The fourth proportional to 21,613,342,174.47, 29,824,783,706.18 and 13,154,231,030.76 is: 18,151,847,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,342,174.47 : 29,824,783,706.18 = 13,154,231,030.76 : x
  2. Step 2: Convert to fraction form
    21,613,342,174.47/29,824,783,706.18 = 13,154,231,030.76/x
  3. Step 3: Cross multiply
    21,613,342,174.47x = 29,824,783,706.18 × 13,154,231,030.76
  4. Step 4: Simplify right side
    21,613,342,174.47x = 392,322,095,313,577,639,936
  5. Step 5: Solve for x
    x = 392,322,095,313,577,639,936/21,613,342,174.47
  6. Step 6: Final answer
    x = 18,151,847,694.20

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Double scale
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1.5x scale

Why These Related Problems?

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