Home / 1,365,060,717.79-1,885,084,811.24-1,290,693,080.41

Finding the Fourth Proportional to 1,365,060,717.79, 1,885,084,811.24 and 1,290,693,080.41

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Solution

The fourth proportional to 1,365,060,717.79, 1,885,084,811.24 and 1,290,693,080.41 is: 1,782,386,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,060,717.79 : 1,885,084,811.24 = 1,290,693,080.41 : x
  2. Step 2: Convert to fraction form
    1,365,060,717.79/1,885,084,811.24 = 1,290,693,080.41/x
  3. Step 3: Cross multiply
    1,365,060,717.79x = 1,885,084,811.24 × 1,290,693,080.41
  4. Step 4: Simplify right side
    1,365,060,717.79x = 2,433,065,921,847,005,696
  5. Step 5: Solve for x
    x = 2,433,065,921,847,005,696/1,365,060,717.79
  6. Step 6: Final answer
    x = 1,782,386,592.87

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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.