Home / 982,949,118.80-1,356,460,613.92-536,912,311.36

Finding the Fourth Proportional to 982,949,118.80, 1,356,460,613.92 and 536,912,311.36

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Solution

The fourth proportional to 982,949,118.80, 1,356,460,613.92 and 536,912,311.36 is: 740,933,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,949,118.80 : 1,356,460,613.92 = 536,912,311.36 : x
  2. Step 2: Convert to fraction form
    982,949,118.80/1,356,460,613.92 = 536,912,311.36/x
  3. Step 3: Cross multiply
    982,949,118.80x = 1,356,460,613.92 × 536,912,311.36
  4. Step 4: Simplify right side
    982,949,118.80x = 728,300,403,488,591,872
  5. Step 5: Solve for x
    x = 728,300,403,488,591,872/982,949,118.80
  6. Step 6: Final answer
    x = 740,933,980.77

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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.