Home / 1,107,828,028.80-1,660,398,350.40-493,760,419.20

Finding the Fourth Proportional to 1,107,828,028.80, 1,660,398,350.40 and 493,760,419.20

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Solution

The fourth proportional to 1,107,828,028.80, 1,660,398,350.40 and 493,760,419.20 is: 740,041,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,828,028.80 : 1,660,398,350.40 = 493,760,419.20 : x
  2. Step 2: Convert to fraction form
    1,107,828,028.80/1,660,398,350.40 = 493,760,419.20/x
  3. Step 3: Cross multiply
    1,107,828,028.80x = 1,660,398,350.40 × 493,760,419.20
  4. Step 4: Simplify right side
    1,107,828,028.80x = 819,838,985,532,492,544
  5. Step 5: Solve for x
    x = 819,838,985,532,492,544/1,107,828,028.80
  6. Step 6: Final answer
    x = 740,041,743.14

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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.