Home / 15,895,303,138.83-21,935,986,237.68-8,759,176,634.39

Finding the Fourth Proportional to 15,895,303,138.83, 21,935,986,237.68 and 8,759,176,634.39

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Solution

The fourth proportional to 15,895,303,138.83, 21,935,986,237.68 and 8,759,176,634.39 is: 12,087,921,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895,303,138.83 : 21,935,986,237.68 = 8,759,176,634.39 : x
  2. Step 2: Convert to fraction form
    15,895,303,138.83/21,935,986,237.68 = 8,759,176,634.39/x
  3. Step 3: Cross multiply
    15,895,303,138.83x = 21,935,986,237.68 × 8,759,176,634.39
  4. Step 4: Simplify right side
    15,895,303,138.83x = 192,141,178,105,387,253,760
  5. Step 5: Solve for x
    x = 192,141,178,105,387,253,760/15,895,303,138.83
  6. Step 6: Final answer
    x = 12,087,921,597.17

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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.