Home / 1,235,402,755.57-1,853,102,568.44-315,279,114.85

Finding the Fourth Proportional to 1,235,402,755.57, 1,853,102,568.44 and 315,279,114.85

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Solution

The fourth proportional to 1,235,402,755.57, 1,853,102,568.44 and 315,279,114.85 is: 472,918,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,402,755.57 : 1,853,102,568.44 = 315,279,114.85 : x
  2. Step 2: Convert to fraction form
    1,235,402,755.57/1,853,102,568.44 = 315,279,114.85/x
  3. Step 3: Cross multiply
    1,235,402,755.57x = 1,853,102,568.44 × 315,279,114.85
  4. Step 4: Simplify right side
    1,235,402,755.57x = 584,244,537,505,313,664
  5. Step 5: Solve for x
    x = 584,244,537,505,313,664/1,235,402,755.57
  6. Step 6: Final answer
    x = 472,918,272.90

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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.