Home / 705,291,323.60-1,057,660,159.80-268,359,957.20

Finding the Fourth Proportional to 705,291,323.60, 1,057,660,159.80 and 268,359,957.20

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Solution

The fourth proportional to 705,291,323.60, 1,057,660,159.80 and 268,359,957.20 is: 402,434,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,291,323.60 : 1,057,660,159.80 = 268,359,957.20 : x
  2. Step 2: Convert to fraction form
    705,291,323.60/1,057,660,159.80 = 268,359,957.20/x
  3. Step 3: Cross multiply
    705,291,323.60x = 1,057,660,159.80 × 268,359,957.20
  4. Step 4: Simplify right side
    705,291,323.60x = 283,833,635,216,073,120
  5. Step 5: Solve for x
    x = 283,833,635,216,073,120/705,291,323.60
  6. Step 6: Final answer
    x = 402,434,604.99

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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.