Home / 320,096,712.72-441,727,705.36-180,864,485.16

Finding the Fourth Proportional to 320,096,712.72, 441,727,705.36 and 180,864,485.16

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Solution

The fourth proportional to 320,096,712.72, 441,727,705.36 and 180,864,485.16 is: 249,589,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,096,712.72 : 441,727,705.36 = 180,864,485.16 : x
  2. Step 2: Convert to fraction form
    320,096,712.72/441,727,705.36 = 180,864,485.16/x
  3. Step 3: Cross multiply
    320,096,712.72x = 441,727,705.36 × 180,864,485.16
  4. Step 4: Simplify right side
    320,096,712.72x = 79,892,854,010,844,576
  5. Step 5: Solve for x
    x = 79,892,854,010,844,576/320,096,712.72
  6. Step 6: Final answer
    x = 249,589,735.96

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1.5x scale

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.