Home / 310,579,368,820.34-465,915,634,678.21-109,085,589,611.55

Finding the Fourth Proportional to 310,579,368,820.34, 465,915,634,678.21 and 109,085,589,611.55

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Solution

The fourth proportional to 310,579,368,820.34, 465,915,634,678.21 and 109,085,589,611.55 is: 163,644,745,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,579,368,820.34 : 465,915,634,678.21 = 109,085,589,611.55 : x
  2. Step 2: Convert to fraction form
    310,579,368,820.34/465,915,634,678.21 = 109,085,589,611.55/x
  3. Step 3: Cross multiply
    310,579,368,820.34x = 465,915,634,678.21 × 109,085,589,611.55
  4. Step 4: Simplify right side
    310,579,368,820.34x = 50,824,681,718,112,069,877,760
  5. Step 5: Solve for x
    x = 50,824,681,718,112,069,877,760/310,579,368,820.34
  6. Step 6: Final answer
    x = 163,644,745,338.87

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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.