Home / 868,653,667.41-1,199,319,288.09-667,352,023.32

Finding the Fourth Proportional to 868,653,667.41, 1,199,319,288.09 and 667,352,023.32

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Solution

The fourth proportional to 868,653,667.41, 1,199,319,288.09 and 667,352,023.32 is: 921,389,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,653,667.41 : 1,199,319,288.09 = 667,352,023.32 : x
  2. Step 2: Convert to fraction form
    868,653,667.41/1,199,319,288.09 = 667,352,023.32/x
  3. Step 3: Cross multiply
    868,653,667.41x = 1,199,319,288.09 × 667,352,023.32
  4. Step 4: Simplify right side
    868,653,667.41x = 800,368,153,513,563,520
  5. Step 5: Solve for x
    x = 800,368,153,513,563,520/868,653,667.41
  6. Step 6: Final answer
    x = 921,389,252.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.