Home / 668,857,549.20-1,003,286,323.80-608,592,139.80

Finding the Fourth Proportional to 668,857,549.20, 1,003,286,323.80 and 608,592,139.80

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Solution

The fourth proportional to 668,857,549.20, 1,003,286,323.80 and 608,592,139.80 is: 912,888,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,857,549.20 : 1,003,286,323.80 = 608,592,139.80 : x
  2. Step 2: Convert to fraction form
    668,857,549.20/1,003,286,323.80 = 608,592,139.80/x
  3. Step 3: Cross multiply
    668,857,549.20x = 1,003,286,323.80 × 608,592,139.80
  4. Step 4: Simplify right side
    668,857,549.20x = 610,592,170,633,517,568
  5. Step 5: Solve for x
    x = 610,592,170,633,517,568/668,857,549.20
  6. Step 6: Final answer
    x = 912,888,209.70

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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.