Home / 403,720,687,093.78-557,013,595,173.81-232,438,214,702.02

Finding the Fourth Proportional to 403,720,687,093.78, 557,013,595,173.81 and 232,438,214,702.02

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Solution

The fourth proportional to 403,720,687,093.78, 557,013,595,173.81 and 232,438,214,702.02 is: 320,695,098,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,720,687,093.78 : 557,013,595,173.81 = 232,438,214,702.02 : x
  2. Step 2: Convert to fraction form
    403,720,687,093.78/557,013,595,173.81 = 232,438,214,702.02/x
  3. Step 3: Cross multiply
    403,720,687,093.78x = 557,013,595,173.81 × 232,438,214,702.02
  4. Step 4: Simplify right side
    403,720,687,093.78x = 129,471,245,626,954,099,982,336
  5. Step 5: Solve for x
    x = 129,471,245,626,954,099,982,336/403,720,687,093.78
  6. Step 6: Final answer
    x = 320,695,098,779.72

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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.