Home / 1,180,992,145.60-1,771,488,218.40-629,994,116.80

Finding the Fourth Proportional to 1,180,992,145.60, 1,771,488,218.40 and 629,994,116.80

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Solution

The fourth proportional to 1,180,992,145.60, 1,771,488,218.40 and 629,994,116.80 is: 944,991,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,992,145.60 : 1,771,488,218.40 = 629,994,116.80 : x
  2. Step 2: Convert to fraction form
    1,180,992,145.60/1,771,488,218.40 = 629,994,116.80/x
  3. Step 3: Cross multiply
    1,180,992,145.60x = 1,771,488,218.40 × 629,994,116.80
  4. Step 4: Simplify right side
    1,180,992,145.60x = 1,116,027,155,572,513,536
  5. Step 5: Solve for x
    x = 1,116,027,155,572,513,536/1,180,992,145.60
  6. Step 6: Final answer
    x = 944,991,175.20

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Double scale
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Similar ratio
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1.5x scale

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.