Home / 1,253,863,690.08-1,730,332,999.44-689,358,176.88

Finding the Fourth Proportional to 1,253,863,690.08, 1,730,332,999.44 and 689,358,176.88

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Solution

The fourth proportional to 1,253,863,690.08, 1,730,332,999.44 and 689,358,176.88 is: 951,314,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,863,690.08 : 1,730,332,999.44 = 689,358,176.88 : x
  2. Step 2: Convert to fraction form
    1,253,863,690.08/1,730,332,999.44 = 689,358,176.88/x
  3. Step 3: Cross multiply
    1,253,863,690.08x = 1,730,332,999.44 × 689,358,176.88
  4. Step 4: Simplify right side
    1,253,863,690.08x = 1,192,819,201,889,260,544
  5. Step 5: Solve for x
    x = 1,192,819,201,889,260,544/1,253,863,690.08
  6. Step 6: Final answer
    x = 951,314,892.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.