Home / 400,090,826.44-600,243,971.28-205,896,423.88

Finding the Fourth Proportional to 400,090,826.44, 600,243,971.28 and 205,896,423.88

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Solution

The fourth proportional to 400,090,826.44, 600,243,971.28 and 205,896,423.88 is: 308,900,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,090,826.44 : 600,243,971.28 = 205,896,423.88 : x
  2. Step 2: Convert to fraction form
    400,090,826.44/600,243,971.28 = 205,896,423.88/x
  3. Step 3: Cross multiply
    400,090,826.44x = 600,243,971.28 × 205,896,423.88
  4. Step 4: Simplify right side
    400,090,826.44x = 123,588,087,142,081,424
  5. Step 5: Solve for x
    x = 123,588,087,142,081,424/400,090,826.44
  6. Step 6: Final answer
    x = 308,900,077.12

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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.