Home / 897,266,758.68-1,346,374,327.60-636,635,678.64

Finding the Fourth Proportional to 897,266,758.68, 1,346,374,327.60 and 636,635,678.64

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Solution

The fourth proportional to 897,266,758.68, 1,346,374,327.60 and 636,635,678.64 is: 955,289,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,266,758.68 : 1,346,374,327.60 = 636,635,678.64 : x
  2. Step 2: Convert to fraction form
    897,266,758.68/1,346,374,327.60 = 636,635,678.64/x
  3. Step 3: Cross multiply
    897,266,758.68x = 1,346,374,327.60 × 636,635,678.64
  4. Step 4: Simplify right side
    897,266,758.68x = 857,149,933,755,099,648
  5. Step 5: Solve for x
    x = 857,149,933,755,099,648/897,266,758.68
  6. Step 6: Final answer
    x = 955,289,968.63

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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.