Home / 714,713,554.14-986,328,627.66-397,187,182.59

Finding the Fourth Proportional to 714,713,554.14, 986,328,627.66 and 397,187,182.59

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Solution

The fourth proportional to 714,713,554.14, 986,328,627.66 and 397,187,182.59 is: 548,131,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,713,554.14 : 986,328,627.66 = 397,187,182.59 : x
  2. Step 2: Convert to fraction form
    714,713,554.14/986,328,627.66 = 397,187,182.59/x
  3. Step 3: Cross multiply
    714,713,554.14x = 986,328,627.66 × 397,187,182.59
  4. Step 4: Simplify right side
    714,713,554.14x = 391,757,088,728,136,512
  5. Step 5: Solve for x
    x = 391,757,088,728,136,512/714,713,554.14
  6. Step 6: Final answer
    x = 548,131,606.65

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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.