Home / 1,294,337,941.29-1,941,495,201.81-409,023,446.22

Finding the Fourth Proportional to 1,294,337,941.29, 1,941,495,201.81 and 409,023,446.22

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Solution

The fourth proportional to 1,294,337,941.29, 1,941,495,201.81 and 409,023,446.22 is: 613,531,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,337,941.29 : 1,941,495,201.81 = 409,023,446.22 : x
  2. Step 2: Convert to fraction form
    1,294,337,941.29/1,941,495,201.81 = 409,023,446.22/x
  3. Step 3: Cross multiply
    1,294,337,941.29x = 1,941,495,201.81 × 409,023,446.22
  4. Step 4: Simplify right side
    1,294,337,941.29x = 794,117,058,263,920,640
  5. Step 5: Solve for x
    x = 794,117,058,263,920,640/1,294,337,941.29
  6. Step 6: Final answer
    x = 613,531,468.82

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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.