Home / 403,691,564.29-557,094,572.22-218,052,579.64

Finding the Fourth Proportional to 403,691,564.29, 557,094,572.22 and 218,052,579.64

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Solution

The fourth proportional to 403,691,564.29, 557,094,572.22 and 218,052,579.64 is: 300,912,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,691,564.29 : 557,094,572.22 = 218,052,579.64 : x
  2. Step 2: Convert to fraction form
    403,691,564.29/557,094,572.22 = 218,052,579.64/x
  3. Step 3: Cross multiply
    403,691,564.29x = 557,094,572.22 × 218,052,579.64
  4. Step 4: Simplify right side
    403,691,564.29x = 121,475,908,576,013,280
  5. Step 5: Solve for x
    x = 121,475,908,576,013,280/403,691,564.29
  6. Step 6: Final answer
    x = 300,912,675.22

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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.