Home / 339,805,941.08-509,785,600.64-103,476,603.92

Finding the Fourth Proportional to 339,805,941.08, 509,785,600.64 and 103,476,603.92

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Solution

The fourth proportional to 339,805,941.08, 509,785,600.64 and 103,476,603.92 is: 155,238,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,805,941.08 : 509,785,600.64 = 103,476,603.92 : x
  2. Step 2: Convert to fraction form
    339,805,941.08/509,785,600.64 = 103,476,603.92/x
  3. Step 3: Cross multiply
    339,805,941.08x = 509,785,600.64 × 103,476,603.92
  4. Step 4: Simplify right side
    339,805,941.08x = 52,750,882,678,478,272
  5. Step 5: Solve for x
    x = 52,750,882,678,478,272/339,805,941.08
  6. Step 6: Final answer
    x = 155,238,258.97

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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.