Home / 770,981,761,187.42-1,063,964,471,559.30-423,789,946,322.86

Finding the Fourth Proportional to 770,981,761,187.42, 1,063,964,471,559.30 and 423,789,946,322.86

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Solution

The fourth proportional to 770,981,761,187.42, 1,063,964,471,559.30 and 423,789,946,322.86 is: 584,835,425,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,981,761,187.42 : 1,063,964,471,559.30 = 423,789,946,322.86 : x
  2. Step 2: Convert to fraction form
    770,981,761,187.42/1,063,964,471,559.30 = 423,789,946,322.86/x
  3. Step 3: Cross multiply
    770,981,761,187.42x = 1,063,964,471,559.30 × 423,789,946,322.86
  4. Step 4: Simplify right side
    770,981,761,187.42x = 450,897,446,291,545,861,914,624
  5. Step 5: Solve for x
    x = 450,897,446,291,545,861,914,624/770,981,761,187.42
  6. Step 6: Final answer
    x = 584,835,425,415.38

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Double scale
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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.