Home / 31,463,862,602.16-47,229,391,146.68-13,545,110,128.28

Finding the Fourth Proportional to 31,463,862,602.16, 47,229,391,146.68 and 13,545,110,128.28

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Solution

The fourth proportional to 31,463,862,602.16, 47,229,391,146.68 and 13,545,110,128.28 is: 20,332,128,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463,862,602.16 : 47,229,391,146.68 = 13,545,110,128.28 : x
  2. Step 2: Convert to fraction form
    31,463,862,602.16/47,229,391,146.68 = 13,545,110,128.28/x
  3. Step 3: Cross multiply
    31,463,862,602.16x = 47,229,391,146.68 × 13,545,110,128.28
  4. Step 4: Simplify right side
    31,463,862,602.16x = 639,727,304,373,393,031,168
  5. Step 5: Solve for x
    x = 639,727,304,373,393,031,168/31,463,862,602.16
  6. Step 6: Final answer
    x = 20,332,128,717.39

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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.