Home / 1,005,560,233.22-1,507,362,119.15-480,792,965.78

Finding the Fourth Proportional to 1,005,560,233.22, 1,507,362,119.15 and 480,792,965.78

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Solution

The fourth proportional to 1,005,560,233.22, 1,507,362,119.15 and 480,792,965.78 is: 720,721,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,560,233.22 : 1,507,362,119.15 = 480,792,965.78 : x
  2. Step 2: Convert to fraction form
    1,005,560,233.22/1,507,362,119.15 = 480,792,965.78/x
  3. Step 3: Cross multiply
    1,005,560,233.22x = 1,507,362,119.15 × 480,792,965.78
  4. Step 4: Simplify right side
    1,005,560,233.22x = 724,729,103,760,613,376
  5. Step 5: Solve for x
    x = 724,729,103,760,613,376/1,005,560,233.22
  6. Step 6: Final answer
    x = 720,721,722.90

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Double scale
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1.5x scale

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.