Home / 1,212,499,170.72-1,818,736,630.74-383,452,954.62

Finding the Fourth Proportional to 1,212,499,170.72, 1,818,736,630.74 and 383,452,954.62

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Solution

The fourth proportional to 1,212,499,170.72, 1,818,736,630.74 and 383,452,954.62 is: 575,175,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,499,170.72 : 1,818,736,630.74 = 383,452,954.62 : x
  2. Step 2: Convert to fraction form
    1,212,499,170.72/1,818,736,630.74 = 383,452,954.62/x
  3. Step 3: Cross multiply
    1,212,499,170.72x = 1,818,736,630.74 × 383,452,954.62
  4. Step 4: Simplify right side
    1,212,499,170.72x = 697,399,934,732,876,928
  5. Step 5: Solve for x
    x = 697,399,934,732,876,928/1,212,499,170.72
  6. Step 6: Final answer
    x = 575,175,597.29

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1.5x scale

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.