Home / 3,109,915,080.90-4,664,872,621.35-1,947,653,613.90

Finding the Fourth Proportional to 3,109,915,080.90, 4,664,872,621.35 and 1,947,653,613.90

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Solution

The fourth proportional to 3,109,915,080.90, 4,664,872,621.35 and 1,947,653,613.90 is: 2,921,480,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,915,080.90 : 4,664,872,621.35 = 1,947,653,613.90 : x
  2. Step 2: Convert to fraction form
    3,109,915,080.90/4,664,872,621.35 = 1,947,653,613.90/x
  3. Step 3: Cross multiply
    3,109,915,080.90x = 4,664,872,621.35 × 1,947,653,613.90
  4. Step 4: Simplify right side
    3,109,915,080.90x = 9,085,556,019,355,495,424
  5. Step 5: Solve for x
    x = 9,085,556,019,355,495,424/3,109,915,080.90
  6. Step 6: Final answer
    x = 2,921,480,420.85

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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.