Home / 785,284,957.19-1,083,692,976.59-432,866,833.20

Finding the Fourth Proportional to 785,284,957.19, 1,083,692,976.59 and 432,866,833.20

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Solution

The fourth proportional to 785,284,957.19, 1,083,692,976.59 and 432,866,833.20 is: 597,356,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,284,957.19 : 1,083,692,976.59 = 432,866,833.20 : x
  2. Step 2: Convert to fraction form
    785,284,957.19/1,083,692,976.59 = 432,866,833.20/x
  3. Step 3: Cross multiply
    785,284,957.19x = 1,083,692,976.59 × 432,866,833.20
  4. Step 4: Simplify right side
    785,284,957.19x = 469,094,746,939,309,184
  5. Step 5: Solve for x
    x = 469,094,746,939,309,184/785,284,957.19
  6. Step 6: Final answer
    x = 597,356,084.11

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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.