Home / 805,690,443,590.88-1,112,354,591,855.40-512,880,580,442.40

Finding the Fourth Proportional to 805,690,443,590.88, 1,112,354,591,855.40 and 512,880,580,442.40

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Solution

The fourth proportional to 805,690,443,590.88, 1,112,354,591,855.40 and 512,880,580,442.40 is: 708,094,620,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,690,443,590.88 : 1,112,354,591,855.40 = 512,880,580,442.40 : x
  2. Step 2: Convert to fraction form
    805,690,443,590.88/1,112,354,591,855.40 = 512,880,580,442.40/x
  3. Step 3: Cross multiply
    805,690,443,590.88x = 1,112,354,591,855.40 × 512,880,580,442.40
  4. Step 4: Simplify right side
    805,690,443,590.88x = 570,505,068,728,566,488,760,320
  5. Step 5: Solve for x
    x = 570,505,068,728,566,488,760,320/805,690,443,590.88
  6. Step 6: Final answer
    x = 708,094,620,293.48

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Double scale
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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.