Home / 665,530,241.48-918,458,775.85-368,167,356.84

Finding the Fourth Proportional to 665,530,241.48, 918,458,775.85 and 368,167,356.84

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Solution

The fourth proportional to 665,530,241.48, 918,458,775.85 and 368,167,356.84 is: 508,085,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,530,241.48 : 918,458,775.85 = 368,167,356.84 : x
  2. Step 2: Convert to fraction form
    665,530,241.48/918,458,775.85 = 368,167,356.84/x
  3. Step 3: Cross multiply
    665,530,241.48x = 918,458,775.85 × 368,167,356.84
  4. Step 4: Simplify right side
    665,530,241.48x = 338,146,539,865,084,928
  5. Step 5: Solve for x
    x = 338,146,539,865,084,928/665,530,241.48
  6. Step 6: Final answer
    x = 508,085,912.24

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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.