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Finding the Fourth Proportional to 295,245,431.40, 442,868,147.10 and 293,544,820.20

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Solution

The fourth proportional to 295,245,431.40, 442,868,147.10 and 293,544,820.20 is: 440,317,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,431.40 : 442,868,147.10 = 293,544,820.20 : x
  2. Step 2: Convert to fraction form
    295,245,431.40/442,868,147.10 = 293,544,820.20/x
  3. Step 3: Cross multiply
    295,245,431.40x = 442,868,147.10 × 293,544,820.20
  4. Step 4: Simplify right side
    295,245,431.40x = 130,001,650,612,776,656
  5. Step 5: Solve for x
    x = 130,001,650,612,776,656/295,245,431.40
  6. Step 6: Final answer
    x = 440,317,230.30

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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.