Home / 18,338,694,810.79-25,307,484,541.29-10,418,532,747.43

Finding the Fourth Proportional to 18,338,694,810.79, 25,307,484,541.29 and 10,418,532,747.43

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Solution

The fourth proportional to 18,338,694,810.79, 25,307,484,541.29 and 10,418,532,747.43 is: 14,377,623,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,694,810.79 : 25,307,484,541.29 = 10,418,532,747.43 : x
  2. Step 2: Convert to fraction form
    18,338,694,810.79/25,307,484,541.29 = 10,418,532,747.43/x
  3. Step 3: Cross multiply
    18,338,694,810.79x = 25,307,484,541.29 × 10,418,532,747.43
  4. Step 4: Simplify right side
    18,338,694,810.79x = 263,666,856,448,508,362,752
  5. Step 5: Solve for x
    x = 263,666,856,448,508,362,752/18,338,694,810.79
  6. Step 6: Final answer
    x = 14,377,623,880.48

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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.