Home / 714,713,548.14-986,328,619.38-397,187,176.59

Finding the Fourth Proportional to 714,713,548.14, 986,328,619.38 and 397,187,176.59

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Solution

The fourth proportional to 714,713,548.14, 986,328,619.38 and 397,187,176.59 is: 548,131,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,713,548.14 : 986,328,619.38 = 397,187,176.59 : x
  2. Step 2: Convert to fraction form
    714,713,548.14/986,328,619.38 = 397,187,176.59/x
  3. Step 3: Cross multiply
    714,713,548.14x = 986,328,619.38 × 397,187,176.59
  4. Step 4: Simplify right side
    714,713,548.14x = 391,757,079,521,454,912
  5. Step 5: Solve for x
    x = 391,757,079,521,454,912/714,713,548.14
  6. Step 6: Final answer
    x = 548,131,598.37

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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.