Home / 723,662,455.66-1,085,614,758.54-568,209,992.65

Finding the Fourth Proportional to 723,662,455.66, 1,085,614,758.54 and 568,209,992.65

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Solution

The fourth proportional to 723,662,455.66, 1,085,614,758.54 and 568,209,992.65 is: 852,410,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,662,455.66 : 1,085,614,758.54 = 568,209,992.65 : x
  2. Step 2: Convert to fraction form
    723,662,455.66/1,085,614,758.54 = 568,209,992.65/x
  3. Step 3: Cross multiply
    723,662,455.66x = 1,085,614,758.54 × 568,209,992.65
  4. Step 4: Simplify right side
    723,662,455.66x = 616,857,153,968,030,848
  5. Step 5: Solve for x
    x = 616,857,153,968,030,848/723,662,455.66
  6. Step 6: Final answer
    x = 852,410,055.47

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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.