Home / 2,121,091,948.35-3,181,441,613.76-1,000,358,629.74

Finding the Fourth Proportional to 2,121,091,948.35, 3,181,441,613.76 and 1,000,358,629.74

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Solution

The fourth proportional to 2,121,091,948.35, 3,181,441,613.76 and 1,000,358,629.74 is: 1,500,445,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,091,948.35 : 3,181,441,613.76 = 1,000,358,629.74 : x
  2. Step 2: Convert to fraction form
    2,121,091,948.35/3,181,441,613.76 = 1,000,358,629.74/x
  3. Step 3: Cross multiply
    2,121,091,948.35x = 3,181,441,613.76 × 1,000,358,629.74
  4. Step 4: Simplify right side
    2,121,091,948.35x = 3,182,582,573,338,768,384
  5. Step 5: Solve for x
    x = 3,182,582,573,338,768,384/2,121,091,948.35
  6. Step 6: Final answer
    x = 1,500,445,360.61

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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.