Home / 921,846,543.41-1,383,223,795.82-430,488,401.35

Finding the Fourth Proportional to 921,846,543.41, 1,383,223,795.82 and 430,488,401.35

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Solution

The fourth proportional to 921,846,543.41, 1,383,223,795.82 and 430,488,401.35 is: 645,944,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,846,543.41 : 1,383,223,795.82 = 430,488,401.35 : x
  2. Step 2: Convert to fraction form
    921,846,543.41/1,383,223,795.82 = 430,488,401.35/x
  3. Step 3: Cross multiply
    921,846,543.41x = 1,383,223,795.82 × 430,488,401.35
  4. Step 4: Simplify right side
    921,846,543.41x = 595,461,800,568,348,416
  5. Step 5: Solve for x
    x = 595,461,800,568,348,416/921,846,543.41
  6. Step 6: Final answer
    x = 645,944,604.15

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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.