Home / 1,294,337,920.50-1,941,495,170.70-409,023,425.47

Finding the Fourth Proportional to 1,294,337,920.50, 1,941,495,170.70 and 409,023,425.47

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Solution

The fourth proportional to 1,294,337,920.50, 1,941,495,170.70 and 409,023,425.47 is: 613,531,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,337,920.50 : 1,941,495,170.70 = 409,023,425.47 : x
  2. Step 2: Convert to fraction form
    1,294,337,920.50/1,941,495,170.70 = 409,023,425.47/x
  3. Step 3: Cross multiply
    1,294,337,920.50x = 1,941,495,170.70 × 409,023,425.47
  4. Step 4: Simplify right side
    1,294,337,920.50x = 794,117,005,241,423,744
  5. Step 5: Solve for x
    x = 794,117,005,241,423,744/1,294,337,920.50
  6. Step 6: Final answer
    x = 613,531,437.71

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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.