Home / 20,834,915,331,650-31,255,933,478,046-8,589,631,846,901.20

Finding the Fourth Proportional to 20,834,915,331,650, 31,255,933,478,046 and 8,589,631,846,901.20

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Solution

The fourth proportional to 20,834,915,331,650, 31,255,933,478,046 and 8,589,631,846,901.20 is: 12,885,915,653,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834,915,331,650 : 31,255,933,478,046 = 8,589,631,846,901.20 : x
  2. Step 2: Convert to fraction form
    20,834,915,331,650/31,255,933,478,046 = 8,589,631,846,901.20/x
  3. Step 3: Cross multiply
    20,834,915,331,650x = 31,255,933,478,046 × 8,589,631,846,901.20
  4. Step 4: Simplify right side
    20,834,915,331,650x = 268,476,961,607,649,302,174,236,672
  5. Step 5: Solve for x
    x = 268,476,961,607,649,302,174,236,672/20,834,915,331,650
  6. Step 6: Final answer
    x = 12,885,915,653,317.30

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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.