Home / 1,283,335,259.89-1,766,886,618.60-1,000,715,039.88

Finding the Fourth Proportional to 1,283,335,259.89, 1,766,886,618.60 and 1,000,715,039.88

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Solution

The fourth proportional to 1,283,335,259.89, 1,766,886,618.60 and 1,000,715,039.88 is: 1,377,777,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,335,259.89 : 1,766,886,618.60 = 1,000,715,039.88 : x
  2. Step 2: Convert to fraction form
    1,283,335,259.89/1,766,886,618.60 = 1,000,715,039.88/x
  3. Step 3: Cross multiply
    1,283,335,259.89x = 1,766,886,618.60 × 1,000,715,039.88
  4. Step 4: Simplify right side
    1,283,335,259.89x = 1,768,150,012,993,235,712
  5. Step 5: Solve for x
    x = 1,768,150,012,993,235,712/1,283,335,259.89
  6. Step 6: Final answer
    x = 1,377,777,162.57

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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.