Home / 704,513,401.43-972,201,858.77-391,267,793.55

Finding the Fourth Proportional to 704,513,401.43, 972,201,858.77 and 391,267,793.55

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Solution

The fourth proportional to 704,513,401.43, 972,201,858.77 and 391,267,793.55 is: 539,934,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,513,401.43 : 972,201,858.77 = 391,267,793.55 : x
  2. Step 2: Convert to fraction form
    704,513,401.43/972,201,858.77 = 391,267,793.55/x
  3. Step 3: Cross multiply
    704,513,401.43x = 972,201,858.77 × 391,267,793.55
  4. Step 4: Simplify right side
    704,513,401.43x = 380,391,276,168,579,392
  5. Step 5: Solve for x
    x = 380,391,276,168,579,392/704,513,401.43
  6. Step 6: Final answer
    x = 539,934,762.63

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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.