Home / 938,544,623.57-1,296,266,522.66-618,105,029.90

Finding the Fourth Proportional to 938,544,623.57, 1,296,266,522.66 and 618,105,029.90

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Solution

The fourth proportional to 938,544,623.57, 1,296,266,522.66 and 618,105,029.90 is: 853,692,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,544,623.57 : 1,296,266,522.66 = 618,105,029.90 : x
  2. Step 2: Convert to fraction form
    938,544,623.57/1,296,266,522.66 = 618,105,029.90/x
  3. Step 3: Cross multiply
    938,544,623.57x = 1,296,266,522.66 × 618,105,029.90
  4. Step 4: Simplify right side
    938,544,623.57x = 801,228,857,739,905,152
  5. Step 5: Solve for x
    x = 801,228,857,739,905,152/938,544,623.57
  6. Step 6: Final answer
    x = 853,692,874.71

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1.5x scale

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.