Home / 1,180,814,340.87-1,771,228,132.59-393,865,833.27

Finding the Fourth Proportional to 1,180,814,340.87, 1,771,228,132.59 and 393,865,833.27

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Solution

The fourth proportional to 1,180,814,340.87, 1,771,228,132.59 and 393,865,833.27 is: 590,800,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,814,340.87 : 1,771,228,132.59 = 393,865,833.27 : x
  2. Step 2: Convert to fraction form
    1,180,814,340.87/1,771,228,132.59 = 393,865,833.27/x
  3. Step 3: Cross multiply
    1,180,814,340.87x = 1,771,228,132.59 × 393,865,833.27
  4. Step 4: Simplify right side
    1,180,814,340.87x = 697,626,244,353,826,304
  5. Step 5: Solve for x
    x = 697,626,244,353,826,304/1,180,814,340.87
  6. Step 6: Final answer
    x = 590,800,958.46

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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.