Home / 30,835,348,082.34-42,566,723,395.97-19,420,692,420.44

Finding the Fourth Proportional to 30,835,348,082.34, 42,566,723,395.97 and 19,420,692,420.44

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Solution

The fourth proportional to 30,835,348,082.34, 42,566,723,395.97 and 19,420,692,420.44 is: 26,809,337,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835,348,082.34 : 42,566,723,395.97 = 19,420,692,420.44 : x
  2. Step 2: Convert to fraction form
    30,835,348,082.34/42,566,723,395.97 = 19,420,692,420.44/x
  3. Step 3: Cross multiply
    30,835,348,082.34x = 42,566,723,395.97 × 19,420,692,420.44
  4. Step 4: Simplify right side
    30,835,348,082.34x = 826,675,242,418,770,673,664
  5. Step 5: Solve for x
    x = 826,675,242,418,770,673,664/30,835,348,082.34
  6. Step 6: Final answer
    x = 26,809,337,135.14

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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.