Home / 1,521,573,823.20-2,280,767,778.46-636,766,128.92

Finding the Fourth Proportional to 1,521,573,823.20, 2,280,767,778.46 and 636,766,128.92

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Solution

The fourth proportional to 1,521,573,823.20, 2,280,767,778.46 and 636,766,128.92 is: 954,482,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,573,823.20 : 2,280,767,778.46 = 636,766,128.92 : x
  2. Step 2: Convert to fraction form
    1,521,573,823.20/2,280,767,778.46 = 636,766,128.92/x
  3. Step 3: Cross multiply
    1,521,573,823.20x = 2,280,767,778.46 × 636,766,128.92
  4. Step 4: Simplify right side
    1,521,573,823.20x = 1,452,315,669,261,908,480
  5. Step 5: Solve for x
    x = 1,452,315,669,261,908,480/1,521,573,823.20
  6. Step 6: Final answer
    x = 954,482,554.26

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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.