Home / 1,080,069,669.45-1,620,104,504.18-807,971,877.45

Finding the Fourth Proportional to 1,080,069,669.45, 1,620,104,504.18 and 807,971,877.45

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Solution

The fourth proportional to 1,080,069,669.45, 1,620,104,504.18 and 807,971,877.45 is: 1,211,957,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,069,669.45 : 1,620,104,504.18 = 807,971,877.45 : x
  2. Step 2: Convert to fraction form
    1,080,069,669.45/1,620,104,504.18 = 807,971,877.45/x
  3. Step 3: Cross multiply
    1,080,069,669.45x = 1,620,104,504.18 × 807,971,877.45
  4. Step 4: Simplify right side
    1,080,069,669.45x = 1,308,998,877,903,476,224
  5. Step 5: Solve for x
    x = 1,308,998,877,903,476,224/1,080,069,669.45
  6. Step 6: Final answer
    x = 1,211,957,816.18

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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.