Home / 18,704,874,925.56-25,812,521,900.09-10,131,088,261.89

Finding the Fourth Proportional to 18,704,874,925.56, 25,812,521,900.09 and 10,131,088,261.89

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Solution

The fourth proportional to 18,704,874,925.56, 25,812,521,900.09 and 10,131,088,261.89 is: 13,980,790,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,874,925.56 : 25,812,521,900.09 = 10,131,088,261.89 : x
  2. Step 2: Convert to fraction form
    18,704,874,925.56/25,812,521,900.09 = 10,131,088,261.89/x
  3. Step 3: Cross multiply
    18,704,874,925.56x = 25,812,521,900.09 × 10,131,088,261.89
  4. Step 4: Simplify right side
    18,704,874,925.56x = 261,508,937,631,754,551,296
  5. Step 5: Solve for x
    x = 261,508,937,631,754,551,296/18,704,874,925.56
  6. Step 6: Final answer
    x = 13,980,790,498.33

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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.