Home / 708,797,036.80-1,063,195,555.20-644,173,811.20

Finding the Fourth Proportional to 708,797,036.80, 1,063,195,555.20 and 644,173,811.20

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Solution

The fourth proportional to 708,797,036.80, 1,063,195,555.20 and 644,173,811.20 is: 966,260,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,797,036.80 : 1,063,195,555.20 = 644,173,811.20 : x
  2. Step 2: Convert to fraction form
    708,797,036.80/1,063,195,555.20 = 644,173,811.20/x
  3. Step 3: Cross multiply
    708,797,036.80x = 1,063,195,555.20 × 644,173,811.20
  4. Step 4: Simplify right side
    708,797,036.80x = 684,882,732,844,084,096
  5. Step 5: Solve for x
    x = 684,882,732,844,084,096/708,797,036.80
  6. Step 6: Final answer
    x = 966,260,716.80

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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.