Home / 1,212,294,597.12-1,817,876,545.92-629,872,266.24

Finding the Fourth Proportional to 1,212,294,597.12, 1,817,876,545.92 and 629,872,266.24

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Solution

The fourth proportional to 1,212,294,597.12, 1,817,876,545.92 and 629,872,266.24 is: 944,514,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,294,597.12 : 1,817,876,545.92 = 629,872,266.24 : x
  2. Step 2: Convert to fraction form
    1,212,294,597.12/1,817,876,545.92 = 629,872,266.24/x
  3. Step 3: Cross multiply
    1,212,294,597.12x = 1,817,876,545.92 × 629,872,266.24
  4. Step 4: Simplify right side
    1,212,294,597.12x = 1,145,030,019,723,173,888
  5. Step 5: Solve for x
    x = 1,145,030,019,723,173,888/1,212,294,597.12
  6. Step 6: Final answer
    x = 944,514,660.42

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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.