Home / 390,287,177-584,650,236.54-234,755,109.08

Finding the Fourth Proportional to 390,287,177, 584,650,236.54 and 234,755,109.08

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Solution

The fourth proportional to 390,287,177, 584,650,236.54 and 234,755,109.08 is: 351,663,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,287,177 : 584,650,236.54 = 234,755,109.08 : x
  2. Step 2: Convert to fraction form
    390,287,177/584,650,236.54 = 234,755,109.08/x
  3. Step 3: Cross multiply
    390,287,177x = 584,650,236.54 × 234,755,109.08
  4. Step 4: Simplify right side
    390,287,177x = 137,249,630,052,595,504
  5. Step 5: Solve for x
    x = 137,249,630,052,595,504/390,287,177
  6. Step 6: Final answer
    x = 351,663,180.71

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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.