Home / 808,545,793.30-1,212,818,689.95-290,993,118.10

Finding the Fourth Proportional to 808,545,793.30, 1,212,818,689.95 and 290,993,118.10

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Solution

The fourth proportional to 808,545,793.30, 1,212,818,689.95 and 290,993,118.10 is: 436,489,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,545,793.30 : 1,212,818,689.95 = 290,993,118.10 : x
  2. Step 2: Convert to fraction form
    808,545,793.30/1,212,818,689.95 = 290,993,118.10/x
  3. Step 3: Cross multiply
    808,545,793.30x = 1,212,818,689.95 × 290,993,118.10
  4. Step 4: Simplify right side
    808,545,793.30x = 352,921,892,278,507,648
  5. Step 5: Solve for x
    x = 352,921,892,278,507,648/808,545,793.30
  6. Step 6: Final answer
    x = 436,489,677.15

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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.