Home / 986,397,862.86-1,361,218,202.48-534,264,581.80

Finding the Fourth Proportional to 986,397,862.86, 1,361,218,202.48 and 534,264,581.80

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Solution

The fourth proportional to 986,397,862.86, 1,361,218,202.48 and 534,264,581.80 is: 737,279,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,397,862.86 : 1,361,218,202.48 = 534,264,581.80 : x
  2. Step 2: Convert to fraction form
    986,397,862.86/1,361,218,202.48 = 534,264,581.80/x
  3. Step 3: Cross multiply
    986,397,862.86x = 1,361,218,202.48 × 534,264,581.80
  4. Step 4: Simplify right side
    986,397,862.86x = 727,250,673,686,524,928
  5. Step 5: Solve for x
    x = 727,250,673,686,524,928/986,397,862.86
  6. Step 6: Final answer
    x = 737,279,247.12

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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.