Home / 266,460,308-367,602,626.40-178,382,679.20

Finding the Fourth Proportional to 266,460,308, 367,602,626.40 and 178,382,679.20

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Solution

The fourth proportional to 266,460,308, 367,602,626.40 and 178,382,679.20 is: 246,092,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,460,308 : 367,602,626.40 = 178,382,679.20 : x
  2. Step 2: Convert to fraction form
    266,460,308/367,602,626.40 = 178,382,679.20/x
  3. Step 3: Cross multiply
    266,460,308x = 367,602,626.40 × 178,382,679.20
  4. Step 4: Simplify right side
    266,460,308x = 65,573,941,378,188,640
  5. Step 5: Solve for x
    x = 65,573,941,378,188,640/266,460,308
  6. Step 6: Final answer
    x = 246,092,717.79

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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.