Home / 744,305,279.25-1,026,379,951.85-493,322,523.92

Finding the Fourth Proportional to 744,305,279.25, 1,026,379,951.85 and 493,322,523.92

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Solution

The fourth proportional to 744,305,279.25, 1,026,379,951.85 and 493,322,523.92 is: 680,280,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,305,279.25 : 1,026,379,951.85 = 493,322,523.92 : x
  2. Step 2: Convert to fraction form
    744,305,279.25/1,026,379,951.85 = 493,322,523.92/x
  3. Step 3: Cross multiply
    744,305,279.25x = 1,026,379,951.85 × 493,322,523.92
  4. Step 4: Simplify right side
    744,305,279.25x = 506,336,348,344,288,064
  5. Step 5: Solve for x
    x = 506,336,348,344,288,064/744,305,279.25
  6. Step 6: Final answer
    x = 680,280,474.23

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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.