Home / 697,193,758.86-1,045,546,219.16-205,775,908.62

Finding the Fourth Proportional to 697,193,758.86, 1,045,546,219.16 and 205,775,908.62

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Solution

The fourth proportional to 697,193,758.86, 1,045,546,219.16 and 205,775,908.62 is: 308,591,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,193,758.86 : 1,045,546,219.16 = 205,775,908.62 : x
  2. Step 2: Convert to fraction form
    697,193,758.86/1,045,546,219.16 = 205,775,908.62/x
  3. Step 3: Cross multiply
    697,193,758.86x = 1,045,546,219.16 × 205,775,908.62
  4. Step 4: Simplify right side
    697,193,758.86x = 215,148,223,248,839,264
  5. Step 5: Solve for x
    x = 215,148,223,248,839,264/697,193,758.86
  6. Step 6: Final answer
    x = 308,591,722.91

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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.