Home / 746,630,287.20-1,119,999,239.19-286,568,456.49

Finding the Fourth Proportional to 746,630,287.20, 1,119,999,239.19 and 286,568,456.49

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Solution

The fourth proportional to 746,630,287.20, 1,119,999,239.19 and 286,568,456.49 is: 429,873,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,630,287.20 : 1,119,999,239.19 = 286,568,456.49 : x
  2. Step 2: Convert to fraction form
    746,630,287.20/1,119,999,239.19 = 286,568,456.49/x
  3. Step 3: Cross multiply
    746,630,287.20x = 1,119,999,239.19 × 286,568,456.49
  4. Step 4: Simplify right side
    746,630,287.20x = 320,956,453,244,652,672
  5. Step 5: Solve for x
    x = 320,956,453,244,652,672/746,630,287.20
  6. Step 6: Final answer
    x = 429,873,337.24

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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.