Home / 908,452,990.32-1,362,690,298.98-253,364,159.49

Finding the Fourth Proportional to 908,452,990.32, 1,362,690,298.98 and 253,364,159.49

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Solution

The fourth proportional to 908,452,990.32, 1,362,690,298.98 and 253,364,159.49 is: 380,049,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,452,990.32 : 1,362,690,298.98 = 253,364,159.49 : x
  2. Step 2: Convert to fraction form
    908,452,990.32/1,362,690,298.98 = 253,364,159.49/x
  3. Step 3: Cross multiply
    908,452,990.32x = 1,362,690,298.98 × 253,364,159.49
  4. Step 4: Simplify right side
    908,452,990.32x = 345,256,882,246,244,544
  5. Step 5: Solve for x
    x = 345,256,882,246,244,544/908,452,990.32
  6. Step 6: Final answer
    x = 380,049,255.08

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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.