Home / 1,521,573,868.14-2,280,767,845.83-636,766,173.90

Finding the Fourth Proportional to 1,521,573,868.14, 2,280,767,845.83 and 636,766,173.90

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Solution

The fourth proportional to 1,521,573,868.14, 2,280,767,845.83 and 636,766,173.90 is: 954,482,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,573,868.14 : 2,280,767,845.83 = 636,766,173.90 : x
  2. Step 2: Convert to fraction form
    1,521,573,868.14/2,280,767,845.83 = 636,766,173.90/x
  3. Step 3: Cross multiply
    1,521,573,868.14x = 2,280,767,845.83 × 636,766,173.90
  4. Step 4: Simplify right side
    1,521,573,868.14x = 1,452,315,814,743,314,176
  5. Step 5: Solve for x
    x = 1,452,315,814,743,314,176/1,521,573,868.14
  6. Step 6: Final answer
    x = 954,482,621.68

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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.