Home / 1,089,549,610.87-1,634,313,646.13-499,172,388.66

Finding the Fourth Proportional to 1,089,549,610.87, 1,634,313,646.13 and 499,172,388.66

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Solution

The fourth proportional to 1,089,549,610.87, 1,634,313,646.13 and 499,172,388.66 is: 748,753,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,549,610.87 : 1,634,313,646.13 = 499,172,388.66 : x
  2. Step 2: Convert to fraction form
    1,089,549,610.87/1,634,313,646.13 = 499,172,388.66/x
  3. Step 3: Cross multiply
    1,089,549,610.87x = 1,634,313,646.13 × 499,172,388.66
  4. Step 4: Simplify right side
    1,089,549,610.87x = 815,804,246,558,346,112
  5. Step 5: Solve for x
    x = 815,804,246,558,346,112/1,089,549,610.87
  6. Step 6: Final answer
    x = 748,753,648.68

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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.