Home / 906,622,994.40-1,359,262,645.20-614,761,720.80

Finding the Fourth Proportional to 906,622,994.40, 1,359,262,645.20 and 614,761,720.80

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Solution

The fourth proportional to 906,622,994.40, 1,359,262,645.20 and 614,761,720.80 is: 921,687,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,622,994.40 : 1,359,262,645.20 = 614,761,720.80 : x
  2. Step 2: Convert to fraction form
    906,622,994.40/1,359,262,645.20 = 614,761,720.80/x
  3. Step 3: Cross multiply
    906,622,994.40x = 1,359,262,645.20 × 614,761,720.80
  4. Step 4: Simplify right side
    906,622,994.40x = 835,622,642,782,311,808
  5. Step 5: Solve for x
    x = 835,622,642,782,311,808/906,622,994.40
  6. Step 6: Final answer
    x = 921,687,016.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.