Home / 497,707,446,142.10-746,476,964,677.56-139,476,972,517.90

Finding the Fourth Proportional to 497,707,446,142.10, 746,476,964,677.56 and 139,476,972,517.90

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Solution

The fourth proportional to 497,707,446,142.10, 746,476,964,677.56 and 139,476,972,517.90 is: 209,191,861,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,707,446,142.10 : 746,476,964,677.56 = 139,476,972,517.90 : x
  2. Step 2: Convert to fraction form
    497,707,446,142.10/746,476,964,677.56 = 139,476,972,517.90/x
  3. Step 3: Cross multiply
    497,707,446,142.10x = 746,476,964,677.56 × 139,476,972,517.90
  4. Step 4: Simplify right side
    497,707,446,142.10x = 104,116,347,087,577,447,137,280
  5. Step 5: Solve for x
    x = 104,116,347,087,577,447,137,280/497,707,446,142.10
  6. Step 6: Final answer
    x = 209,191,861,392.91

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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.