Home / 867,576,928.29-1,300,457,201.13-363,082,305.21

Finding the Fourth Proportional to 867,576,928.29, 1,300,457,201.13 and 363,082,305.21

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Solution

The fourth proportional to 867,576,928.29, 1,300,457,201.13 and 363,082,305.21 is: 544,243,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,576,928.29 : 1,300,457,201.13 = 363,082,305.21 : x
  2. Step 2: Convert to fraction form
    867,576,928.29/1,300,457,201.13 = 363,082,305.21/x
  3. Step 3: Cross multiply
    867,576,928.29x = 1,300,457,201.13 × 363,082,305.21
  4. Step 4: Simplify right side
    867,576,928.29x = 472,172,998,413,225,024
  5. Step 5: Solve for x
    x = 472,172,998,413,225,024/867,576,928.29
  6. Step 6: Final answer
    x = 544,243,378.33

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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.