Home / 28,986,711,611,533-40,002,510,801,401-15,818,551,438,841

Finding the Fourth Proportional to 28,986,711,611,533, 40,002,510,801,401 and 15,818,551,438,841

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Solution

The fourth proportional to 28,986,711,611,533, 40,002,510,801,401 and 15,818,551,438,841 is: 21,830,064,178,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986,711,611,533 : 40,002,510,801,401 = 15,818,551,438,841 : x
  2. Step 2: Convert to fraction form
    28,986,711,611,533/40,002,510,801,401 = 15,818,551,438,841/x
  3. Step 3: Cross multiply
    28,986,711,611,533x = 40,002,510,801,401 × 15,818,551,438,841
  4. Step 4: Simplify right side
    28,986,711,611,533x = 632,781,774,794,754,381,777,469,440
  5. Step 5: Solve for x
    x = 632,781,774,794,754,381,777,469,440/28,986,711,611,533
  6. Step 6: Final answer
    x = 21,830,064,178,200.48

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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.