Home / 786,806,845.38-1,180,194,063.89-262,214,036.55

Finding the Fourth Proportional to 786,806,845.38, 1,180,194,063.89 and 262,214,036.55

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Solution

The fourth proportional to 786,806,845.38, 1,180,194,063.89 and 262,214,036.55 is: 393,315,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,806,845.38 : 1,180,194,063.89 = 262,214,036.55 : x
  2. Step 2: Convert to fraction form
    786,806,845.38/1,180,194,063.89 = 262,214,036.55/x
  3. Step 3: Cross multiply
    786,806,845.38x = 1,180,194,063.89 × 262,214,036.55
  4. Step 4: Simplify right side
    786,806,845.38x = 309,463,449,403,634,432
  5. Step 5: Solve for x
    x = 309,463,449,403,634,432/786,806,845.38
  6. Step 6: Final answer
    x = 393,315,654.56

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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.