Home / 739,743,956.36-1,020,863,155.20-422,197,833.08

Finding the Fourth Proportional to 739,743,956.36, 1,020,863,155.20 and 422,197,833.08

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Solution

The fourth proportional to 739,743,956.36, 1,020,863,155.20 and 422,197,833.08 is: 582,642,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,743,956.36 : 1,020,863,155.20 = 422,197,833.08 : x
  2. Step 2: Convert to fraction form
    739,743,956.36/1,020,863,155.20 = 422,197,833.08/x
  3. Step 3: Cross multiply
    739,743,956.36x = 1,020,863,155.20 × 422,197,833.08
  4. Step 4: Simplify right side
    739,743,956.36x = 431,006,211,996,651,712
  5. Step 5: Solve for x
    x = 431,006,211,996,651,712/739,743,956.36
  6. Step 6: Final answer
    x = 582,642,424.17

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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.