Home / 673,979,894.60-1,010,969,841.90-383,742,249.80

Finding the Fourth Proportional to 673,979,894.60, 1,010,969,841.90 and 383,742,249.80

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Solution

The fourth proportional to 673,979,894.60, 1,010,969,841.90 and 383,742,249.80 is: 575,613,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,979,894.60 : 1,010,969,841.90 = 383,742,249.80 : x
  2. Step 2: Convert to fraction form
    673,979,894.60/1,010,969,841.90 = 383,742,249.80/x
  3. Step 3: Cross multiply
    673,979,894.60x = 1,010,969,841.90 × 383,742,249.80
  4. Step 4: Simplify right side
    673,979,894.60x = 387,951,841,610,656,320
  5. Step 5: Solve for x
    x = 387,951,841,610,656,320/673,979,894.60
  6. Step 6: Final answer
    x = 575,613,374.70

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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.