Home / 1,991,613,166.04-2,987,378,725.02-663,737,636.52

Finding the Fourth Proportional to 1,991,613,166.04, 2,987,378,725.02 and 663,737,636.52

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Solution

The fourth proportional to 1,991,613,166.04, 2,987,378,725.02 and 663,737,636.52 is: 995,592,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,613,166.04 : 2,987,378,725.02 = 663,737,636.52 : x
  2. Step 2: Convert to fraction form
    1,991,613,166.04/2,987,378,725.02 = 663,737,636.52/x
  3. Step 3: Cross multiply
    1,991,613,166.04x = 2,987,378,725.02 × 663,737,636.52
  4. Step 4: Simplify right side
    1,991,613,166.04x = 1,982,835,694,334,905,600
  5. Step 5: Solve for x
    x = 1,982,835,694,334,905,600/1,991,613,166.04
  6. Step 6: Final answer
    x = 995,592,782.85

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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.