Home / 1,026,456,831.80-1,539,744,230.10-299,557,734.20

Finding the Fourth Proportional to 1,026,456,831.80, 1,539,744,230.10 and 299,557,734.20

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Solution

The fourth proportional to 1,026,456,831.80, 1,539,744,230.10 and 299,557,734.20 is: 449,353,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,456,831.80 : 1,539,744,230.10 = 299,557,734.20 : x
  2. Step 2: Convert to fraction form
    1,026,456,831.80/1,539,744,230.10 = 299,557,734.20/x
  3. Step 3: Cross multiply
    1,026,456,831.80x = 1,539,744,230.10 × 299,557,734.20
  4. Step 4: Simplify right side
    1,026,456,831.80x = 461,242,292,816,279,424
  5. Step 5: Solve for x
    x = 461,242,292,816,279,424/1,026,456,831.80
  6. Step 6: Final answer
    x = 449,353,814.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.