Home / 785,352,570.93-1,083,794,022.21-432,941,201.28

Finding the Fourth Proportional to 785,352,570.93, 1,083,794,022.21 and 432,941,201.28

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Solution

The fourth proportional to 785,352,570.93, 1,083,794,022.21 and 432,941,201.28 is: 597,462,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,352,570.93 : 1,083,794,022.21 = 432,941,201.28 : x
  2. Step 2: Convert to fraction form
    785,352,570.93/1,083,794,022.21 = 432,941,201.28/x
  3. Step 3: Cross multiply
    785,352,570.93x = 1,083,794,022.21 × 432,941,201.28
  4. Step 4: Simplify right side
    785,352,570.93x = 469,219,085,915,680,384
  5. Step 5: Solve for x
    x = 469,219,085,915,680,384/785,352,570.93
  6. Step 6: Final answer
    x = 597,462,978.14

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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.