Home / 1,318,393,573.61-1,818,555,559.97-782,165,598

Finding the Fourth Proportional to 1,318,393,573.61, 1,818,555,559.97 and 782,165,598

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Solution

The fourth proportional to 1,318,393,573.61, 1,818,555,559.97 and 782,165,598 is: 1,078,897,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,393,573.61 : 1,818,555,559.97 = 782,165,598 : x
  2. Step 2: Convert to fraction form
    1,318,393,573.61/1,818,555,559.97 = 782,165,598/x
  3. Step 3: Cross multiply
    1,318,393,573.61x = 1,818,555,559.97 × 782,165,598
  4. Step 4: Simplify right side
    1,318,393,573.61x = 1,422,411,597,060,160,000
  5. Step 5: Solve for x
    x = 1,422,411,597,060,160,000/1,318,393,573.61
  6. Step 6: Final answer
    x = 1,078,897,550.42

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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.