Home / 400,828,861.20-601,243,291.80-362,086,812.30

Finding the Fourth Proportional to 400,828,861.20, 601,243,291.80 and 362,086,812.30

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Solution

The fourth proportional to 400,828,861.20, 601,243,291.80 and 362,086,812.30 is: 543,130,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,828,861.20 : 601,243,291.80 = 362,086,812.30 : x
  2. Step 2: Convert to fraction form
    400,828,861.20/601,243,291.80 = 362,086,812.30/x
  3. Step 3: Cross multiply
    400,828,861.20x = 601,243,291.80 × 362,086,812.30
  4. Step 4: Simplify right side
    400,828,861.20x = 217,702,266,944,620,704
  5. Step 5: Solve for x
    x = 217,702,266,944,620,704/400,828,861.20
  6. Step 6: Final answer
    x = 543,130,218.45

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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.