Home / 798,896,279.55-1,198,296,590.43-332,439,894.75

Finding the Fourth Proportional to 798,896,279.55, 1,198,296,590.43 and 332,439,894.75

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Solution

The fourth proportional to 798,896,279.55, 1,198,296,590.43 and 332,439,894.75 is: 498,639,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,896,279.55 : 1,198,296,590.43 = 332,439,894.75 : x
  2. Step 2: Convert to fraction form
    798,896,279.55/1,198,296,590.43 = 332,439,894.75/x
  3. Step 3: Cross multiply
    798,896,279.55x = 1,198,296,590.43 × 332,439,894.75
  4. Step 4: Simplify right side
    798,896,279.55x = 398,361,592,401,833,088
  5. Step 5: Solve for x
    x = 398,361,592,401,833,088/798,896,279.55
  6. Step 6: Final answer
    x = 498,639,939.38

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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.