Home / 12,509,665,972.52-17,263,676,165.45-7,360,072,904.79

Finding the Fourth Proportional to 12,509,665,972.52, 17,263,676,165.45 and 7,360,072,904.79

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Solution

The fourth proportional to 12,509,665,972.52, 17,263,676,165.45 and 7,360,072,904.79 is: 10,157,098,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,665,972.52 : 17,263,676,165.45 = 7,360,072,904.79 : x
  2. Step 2: Convert to fraction form
    12,509,665,972.52/17,263,676,165.45 = 7,360,072,904.79/x
  3. Step 3: Cross multiply
    12,509,665,972.52x = 17,263,676,165.45 × 7,360,072,904.79
  4. Step 4: Simplify right side
    12,509,665,972.52x = 127,061,915,182,360,674,304
  5. Step 5: Solve for x
    x = 127,061,915,182,360,674,304/12,509,665,972.52
  6. Step 6: Final answer
    x = 10,157,098,955.44

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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.