Home / 788,797,512.96-1,088,507,866.20-431,563,536.96

Finding the Fourth Proportional to 788,797,512.96, 1,088,507,866.20 and 431,563,536.96

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Solution

The fourth proportional to 788,797,512.96, 1,088,507,866.20 and 431,563,536.96 is: 595,539,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,797,512.96 : 1,088,507,866.20 = 431,563,536.96 : x
  2. Step 2: Convert to fraction form
    788,797,512.96/1,088,507,866.20 = 431,563,536.96/x
  3. Step 3: Cross multiply
    788,797,512.96x = 1,088,507,866.20 × 431,563,536.96
  4. Step 4: Simplify right side
    788,797,512.96x = 469,760,304,746,054,400
  5. Step 5: Solve for x
    x = 469,760,304,746,054,400/788,797,512.96
  6. Step 6: Final answer
    x = 595,539,789.40

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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.