Home / 1,212,787,834.30-1,819,181,926.05-292,664,176.30

Finding the Fourth Proportional to 1,212,787,834.30, 1,819,181,926.05 and 292,664,176.30

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Solution

The fourth proportional to 1,212,787,834.30, 1,819,181,926.05 and 292,664,176.30 is: 438,996,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,787,834.30 : 1,819,181,926.05 = 292,664,176.30 : x
  2. Step 2: Convert to fraction form
    1,212,787,834.30/1,819,181,926.05 = 292,664,176.30/x
  3. Step 3: Cross multiply
    1,212,787,834.30x = 1,819,181,926.05 × 292,664,176.30
  4. Step 4: Simplify right side
    1,212,787,834.30x = 532,409,379,927,270,784
  5. Step 5: Solve for x
    x = 532,409,379,927,270,784/1,212,787,834.30
  6. Step 6: Final answer
    x = 438,996,306.58

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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.