Home / 356,313,501,867.22-491,730,298,950.52-221,026,267,108.42

Finding the Fourth Proportional to 356,313,501,867.22, 491,730,298,950.52 and 221,026,267,108.42

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Solution

The fourth proportional to 356,313,501,867.22, 491,730,298,950.52 and 221,026,267,108.42 is: 305,027,207,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,313,501,867.22 : 491,730,298,950.52 = 221,026,267,108.42 : x
  2. Step 2: Convert to fraction form
    356,313,501,867.22/491,730,298,950.52 = 221,026,267,108.42/x
  3. Step 3: Cross multiply
    356,313,501,867.22x = 491,730,298,950.52 × 221,026,267,108.42
  4. Step 4: Simplify right side
    356,313,501,867.22x = 108,685,312,401,140,868,972,544
  5. Step 5: Solve for x
    x = 108,685,312,401,140,868,972,544/356,313,501,867.22
  6. Step 6: Final answer
    x = 305,027,207,309.26

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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.