Home / 313,660,818.90-470,491,228.35-160,255,890.90

Finding the Fourth Proportional to 313,660,818.90, 470,491,228.35 and 160,255,890.90

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Solution

The fourth proportional to 313,660,818.90, 470,491,228.35 and 160,255,890.90 is: 240,383,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,660,818.90 : 470,491,228.35 = 160,255,890.90 : x
  2. Step 2: Convert to fraction form
    313,660,818.90/470,491,228.35 = 160,255,890.90/x
  3. Step 3: Cross multiply
    313,660,818.90x = 470,491,228.35 × 160,255,890.90
  4. Step 4: Simplify right side
    313,660,818.90x = 75,398,990,959,864,592
  5. Step 5: Solve for x
    x = 75,398,990,959,864,592/313,660,818.90
  6. Step 6: Final answer
    x = 240,383,836.35

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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.