Home / 1,303,345,882.40-1,957,286,305.20-691,125,850.40

Finding the Fourth Proportional to 1,303,345,882.40, 1,957,286,305.20 and 691,125,850.40

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Solution

The fourth proportional to 1,303,345,882.40, 1,957,286,305.20 and 691,125,850.40 is: 1,037,891,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,345,882.40 : 1,957,286,305.20 = 691,125,850.40 : x
  2. Step 2: Convert to fraction form
    1,303,345,882.40/1,957,286,305.20 = 691,125,850.40/x
  3. Step 3: Cross multiply
    1,303,345,882.40x = 1,957,286,305.20 × 691,125,850.40
  4. Step 4: Simplify right side
    1,303,345,882.40x = 1,352,731,162,157,623,808
  5. Step 5: Solve for x
    x = 1,352,731,162,157,623,808/1,303,345,882.40
  6. Step 6: Final answer
    x = 1,037,891,154.16

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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.