Home / 366,942,502-506,380,735.02-201,930,071.32

Finding the Fourth Proportional to 366,942,502, 506,380,735.02 and 201,930,071.32

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Solution

The fourth proportional to 366,942,502, 506,380,735.02 and 201,930,071.32 is: 278,663,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942,502 : 506,380,735.02 = 201,930,071.32 : x
  2. Step 2: Convert to fraction form
    366,942,502/506,380,735.02 = 201,930,071.32/x
  3. Step 3: Cross multiply
    366,942,502x = 506,380,735.02 × 201,930,071.32
  4. Step 4: Simplify right side
    366,942,502x = 102,253,497,937,662,608
  5. Step 5: Solve for x
    x = 102,253,497,937,662,608/366,942,502
  6. Step 6: Final answer
    x = 278,663,543.69

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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.