Home / 921,286,682.64-1,381,930,023.93-307,870,908.36

Finding the Fourth Proportional to 921,286,682.64, 1,381,930,023.93 and 307,870,908.36

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Solution

The fourth proportional to 921,286,682.64, 1,381,930,023.93 and 307,870,908.36 is: 461,806,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,286,682.64 : 1,381,930,023.93 = 307,870,908.36 : x
  2. Step 2: Convert to fraction form
    921,286,682.64/1,381,930,023.93 = 307,870,908.36/x
  3. Step 3: Cross multiply
    921,286,682.64x = 1,381,930,023.93 × 307,870,908.36
  4. Step 4: Simplify right side
    921,286,682.64x = 425,456,051,757,285,696
  5. Step 5: Solve for x
    x = 425,456,051,757,285,696/921,286,682.64
  6. Step 6: Final answer
    x = 461,806,362.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.