Home / 770,981,761,219.20-1,063,964,471,603.10-423,789,946,354.50

Finding the Fourth Proportional to 770,981,761,219.20, 1,063,964,471,603.10 and 423,789,946,354.50

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Solution

The fourth proportional to 770,981,761,219.20, 1,063,964,471,603.10 and 423,789,946,354.50 is: 584,835,425,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,981,761,219.20 : 1,063,964,471,603.10 = 423,789,946,354.50 : x
  2. Step 2: Convert to fraction form
    770,981,761,219.20/1,063,964,471,603.10 = 423,789,946,354.50/x
  3. Step 3: Cross multiply
    770,981,761,219.20x = 1,063,964,471,603.10 × 423,789,946,354.50
  4. Step 4: Simplify right side
    770,981,761,219.20x = 450,897,446,343,771,657,601,024
  5. Step 5: Solve for x
    x = 450,897,446,343,771,657,601,024/770,981,761,219.20
  6. Step 6: Final answer
    x = 584,835,425,459.02

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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.