Home / 723,706,523.44-998,714,246.52-393,680,875.12

Finding the Fourth Proportional to 723,706,523.44, 998,714,246.52 and 393,680,875.12

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Solution

The fourth proportional to 723,706,523.44, 998,714,246.52 and 393,680,875.12 is: 543,279,196.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,706,523.44 : 998,714,246.52 = 393,680,875.12 : x
  2. Step 2: Convert to fraction form
    723,706,523.44/998,714,246.52 = 393,680,875.12/x
  3. Step 3: Cross multiply
    723,706,523.44x = 998,714,246.52 × 393,680,875.12
  4. Step 4: Simplify right side
    723,706,523.44x = 393,174,698,564,804,992
  5. Step 5: Solve for x
    x = 393,174,698,564,804,992/723,706,523.44
  6. Step 6: Final answer
    x = 543,279,196.51

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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.