Home / 201,786,465,744.12-302,679,989,926.98-82,403,790,274.45

Finding the Fourth Proportional to 201,786,465,744.12, 302,679,989,926.98 and 82,403,790,274.45

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Solution

The fourth proportional to 201,786,465,744.12, 302,679,989,926.98 and 82,403,790,274.45 is: 123,605,804,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,786,465,744.12 : 302,679,989,926.98 = 82,403,790,274.45 : x
  2. Step 2: Convert to fraction form
    201,786,465,744.12/302,679,989,926.98 = 82,403,790,274.45/x
  3. Step 3: Cross multiply
    201,786,465,744.12x = 302,679,989,926.98 × 82,403,790,274.45
  4. Step 4: Simplify right side
    201,786,465,744.12x = 24,941,978,410,213,984,698,368
  5. Step 5: Solve for x
    x = 24,941,978,410,213,984,698,368/201,786,465,744.12
  6. Step 6: Final answer
    x = 123,605,804,374.62

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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.