Home / 313,243,512.30-469,865,268.45-266,886,110.70

Finding the Fourth Proportional to 313,243,512.30, 469,865,268.45 and 266,886,110.70

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Solution

The fourth proportional to 313,243,512.30, 469,865,268.45 and 266,886,110.70 is: 400,329,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,243,512.30 : 469,865,268.45 = 266,886,110.70 : x
  2. Step 2: Convert to fraction form
    313,243,512.30/469,865,268.45 = 266,886,110.70/x
  3. Step 3: Cross multiply
    313,243,512.30x = 469,865,268.45 × 266,886,110.70
  4. Step 4: Simplify right side
    313,243,512.30x = 125,400,514,049,631,904
  5. Step 5: Solve for x
    x = 125,400,514,049,631,904/313,243,512.30
  6. Step 6: Final answer
    x = 400,329,166.05

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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.