Home / 21,033,945,151.56-31,552,857,304.20-6,868,985,142.60

Finding the Fourth Proportional to 21,033,945,151.56, 31,552,857,304.20 and 6,868,985,142.60

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Solution

The fourth proportional to 21,033,945,151.56, 31,552,857,304.20 and 6,868,985,142.60 is: 10,304,111,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,945,151.56 : 31,552,857,304.20 = 6,868,985,142.60 : x
  2. Step 2: Convert to fraction form
    21,033,945,151.56/31,552,857,304.20 = 6,868,985,142.60/x
  3. Step 3: Cross multiply
    21,033,945,151.56x = 31,552,857,304.20 × 6,868,985,142.60
  4. Step 4: Simplify right side
    21,033,945,151.56x = 216,736,108,029,127,720,960
  5. Step 5: Solve for x
    x = 216,736,108,029,127,720,960/21,033,945,151.56
  6. Step 6: Final answer
    x = 10,304,111,115.03

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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.