Home / 693,506,390.94-1,040,100,401.36-413,466,544.89

Finding the Fourth Proportional to 693,506,390.94, 1,040,100,401.36 and 413,466,544.89

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Solution

The fourth proportional to 693,506,390.94, 1,040,100,401.36 and 413,466,544.89 is: 620,104,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,506,390.94 : 1,040,100,401.36 = 413,466,544.89 : x
  2. Step 2: Convert to fraction form
    693,506,390.94/1,040,100,401.36 = 413,466,544.89/x
  3. Step 3: Cross multiply
    693,506,390.94x = 1,040,100,401.36 × 413,466,544.89
  4. Step 4: Simplify right side
    693,506,390.94x = 430,046,719,290,055,104
  5. Step 5: Solve for x
    x = 430,046,719,290,055,104/693,506,390.94
  6. Step 6: Final answer
    x = 620,104,911.66

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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.