Home / 770,981,761,216.20-1,063,964,471,598.90-423,789,946,351.50

Finding the Fourth Proportional to 770,981,761,216.20, 1,063,964,471,598.90 and 423,789,946,351.50

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Solution

The fourth proportional to 770,981,761,216.20, 1,063,964,471,598.90 and 423,789,946,351.50 is: 584,835,425,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,981,761,216.20 : 1,063,964,471,598.90 = 423,789,946,351.50 : x
  2. Step 2: Convert to fraction form
    770,981,761,216.20/1,063,964,471,598.90 = 423,789,946,351.50/x
  3. Step 3: Cross multiply
    770,981,761,216.20x = 1,063,964,471,598.90 × 423,789,946,351.50
  4. Step 4: Simplify right side
    770,981,761,216.20x = 450,897,446,338,799,897,411,584
  5. Step 5: Solve for x
    x = 450,897,446,338,799,897,411,584/770,981,761,216.20
  6. Step 6: Final answer
    x = 584,835,425,454.84

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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.