Home / 201,786,465,743.47-302,679,989,925.96-82,403,790,273.78

Finding the Fourth Proportional to 201,786,465,743.47, 302,679,989,925.96 and 82,403,790,273.78

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Solution

The fourth proportional to 201,786,465,743.47, 302,679,989,925.96 and 82,403,790,273.78 is: 123,605,804,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,786,465,743.47 : 302,679,989,925.96 = 82,403,790,273.78 : x
  2. Step 2: Convert to fraction form
    201,786,465,743.47/302,679,989,925.96 = 82,403,790,273.78/x
  3. Step 3: Cross multiply
    201,786,465,743.47x = 302,679,989,925.96 × 82,403,790,273.78
  4. Step 4: Simplify right side
    201,786,465,743.47x = 24,941,978,409,928,650,391,552
  5. Step 5: Solve for x
    x = 24,941,978,409,928,650,391,552/201,786,465,743.47
  6. Step 6: Final answer
    x = 123,605,804,373.61

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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.