Home / 899,981,255.70-1,242,022,355.73-503,480,592.18

Finding the Fourth Proportional to 899,981,255.70, 1,242,022,355.73 and 503,480,592.18

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Solution

The fourth proportional to 899,981,255.70, 1,242,022,355.73 and 503,480,592.18 is: 694,830,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,981,255.70 : 1,242,022,355.73 = 503,480,592.18 : x
  2. Step 2: Convert to fraction form
    899,981,255.70/1,242,022,355.73 = 503,480,592.18/x
  3. Step 3: Cross multiply
    899,981,255.70x = 1,242,022,355.73 × 503,480,592.18
  4. Step 4: Simplify right side
    899,981,255.70x = 625,334,151,163,739,008
  5. Step 5: Solve for x
    x = 625,334,151,163,739,008/899,981,255.70
  6. Step 6: Final answer
    x = 694,830,194.74

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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.