Home / 31,608,068,113.28-47,414,889,592.23-8,918,621,178.18

Finding the Fourth Proportional to 31,608,068,113.28, 47,414,889,592.23 and 8,918,621,178.18

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Solution

The fourth proportional to 31,608,068,113.28, 47,414,889,592.23 and 8,918,621,178.18 is: 13,378,718,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,608,068,113.28 : 47,414,889,592.23 = 8,918,621,178.18 : x
  2. Step 2: Convert to fraction form
    31,608,068,113.28/47,414,889,592.23 = 8,918,621,178.18/x
  3. Step 3: Cross multiply
    31,608,068,113.28x = 47,414,889,592.23 × 8,918,621,178.18
  4. Step 4: Simplify right side
    31,608,068,113.28x = 422,875,438,478,328,987,648
  5. Step 5: Solve for x
    x = 422,875,438,478,328,987,648/31,608,068,113.28
  6. Step 6: Final answer
    x = 13,378,718,274.17

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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.