Home / 876,261,618.96-1,209,241,327.44-479,809,683.84

Finding the Fourth Proportional to 876,261,618.96, 1,209,241,327.44 and 479,809,683.84

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Solution

The fourth proportional to 876,261,618.96, 1,209,241,327.44 and 479,809,683.84 is: 662,137,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,261,618.96 : 1,209,241,327.44 = 479,809,683.84 : x
  2. Step 2: Convert to fraction form
    876,261,618.96/1,209,241,327.44 = 479,809,683.84/x
  3. Step 3: Cross multiply
    876,261,618.96x = 1,209,241,327.44 × 479,809,683.84
  4. Step 4: Simplify right side
    876,261,618.96x = 580,205,699,005,248,256
  5. Step 5: Solve for x
    x = 580,205,699,005,248,256/876,261,618.96
  6. Step 6: Final answer
    x = 662,137,524.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.