Home / 728,941,550.16-1,005,938,689.04-411,468,620.28

Finding the Fourth Proportional to 728,941,550.16, 1,005,938,689.04 and 411,468,620.28

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Solution

The fourth proportional to 728,941,550.16, 1,005,938,689.04 and 411,468,620.28 is: 567,826,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,941,550.16 : 1,005,938,689.04 = 411,468,620.28 : x
  2. Step 2: Convert to fraction form
    728,941,550.16/1,005,938,689.04 = 411,468,620.28/x
  3. Step 3: Cross multiply
    728,941,550.16x = 1,005,938,689.04 × 411,468,620.28
  4. Step 4: Simplify right side
    728,941,550.16x = 413,912,204,465,560,704
  5. Step 5: Solve for x
    x = 413,912,204,465,560,704/728,941,550.16
  6. Step 6: Final answer
    x = 567,826,328.98

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1.5x scale

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.