Home / 788,083,600.72-1,087,560,287.39-430,852,147.09

Finding the Fourth Proportional to 788,083,600.72, 1,087,560,287.39 and 430,852,147.09

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Solution

The fourth proportional to 788,083,600.72, 1,087,560,287.39 and 430,852,147.09 is: 594,578,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,083,600.72 : 1,087,560,287.39 = 430,852,147.09 : x
  2. Step 2: Convert to fraction form
    788,083,600.72/1,087,560,287.39 = 430,852,147.09/x
  3. Step 3: Cross multiply
    788,083,600.72x = 1,087,560,287.39 × 430,852,147.09
  4. Step 4: Simplify right side
    788,083,600.72x = 468,577,684,906,925,760
  5. Step 5: Solve for x
    x = 468,577,684,906,925,760/788,083,600.72
  6. Step 6: Final answer
    x = 594,578,651.91

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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.