Home / 899,981,288.76-1,242,022,401.30-503,480,625.24

Finding the Fourth Proportional to 899,981,288.76, 1,242,022,401.30 and 503,480,625.24

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Solution

The fourth proportional to 899,981,288.76, 1,242,022,401.30 and 503,480,625.24 is: 694,830,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,981,288.76 : 1,242,022,401.30 = 503,480,625.24 : x
  2. Step 2: Convert to fraction form
    899,981,288.76/1,242,022,401.30 = 503,480,625.24/x
  3. Step 3: Cross multiply
    899,981,288.76x = 1,242,022,401.30 × 503,480,625.24
  4. Step 4: Simplify right side
    899,981,288.76x = 625,334,215,168,610,176
  5. Step 5: Solve for x
    x = 625,334,215,168,610,176/899,981,288.76
  6. Step 6: Final answer
    x = 694,830,240.34

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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.