Home / 1,290,104,511.60-1,933,930,803.24-822,453,227.76

Finding the Fourth Proportional to 1,290,104,511.60, 1,933,930,803.24 and 822,453,227.76

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Solution

The fourth proportional to 1,290,104,511.60, 1,933,930,803.24 and 822,453,227.76 is: 1,232,898,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,104,511.60 : 1,933,930,803.24 = 822,453,227.76 : x
  2. Step 2: Convert to fraction form
    1,290,104,511.60/1,933,930,803.24 = 822,453,227.76/x
  3. Step 3: Cross multiply
    1,290,104,511.60x = 1,933,930,803.24 × 822,453,227.76
  4. Step 4: Simplify right side
    1,290,104,511.60x = 1,590,567,631,389,227,520
  5. Step 5: Solve for x
    x = 1,590,567,631,389,227,520/1,290,104,511.60
  6. Step 6: Final answer
    x = 1,232,898,278.46

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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.