Home / 1,877,993,764.20-2,830,489,384.86-1,618,806,642.39

Finding the Fourth Proportional to 1,877,993,764.20, 2,830,489,384.86 and 1,618,806,642.39

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Solution

The fourth proportional to 1,877,993,764.20, 2,830,489,384.86 and 1,618,806,642.39 is: 2,439,845,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,993,764.20 : 2,830,489,384.86 = 1,618,806,642.39 : x
  2. Step 2: Convert to fraction form
    1,877,993,764.20/2,830,489,384.86 = 1,618,806,642.39/x
  3. Step 3: Cross multiply
    1,877,993,764.20x = 2,830,489,384.86 × 1,618,806,642.39
  4. Step 4: Simplify right side
    1,877,993,764.20x = 4,582,015,017,425,469,952
  5. Step 5: Solve for x
    x = 4,582,015,017,425,469,952/1,877,993,764.20
  6. Step 6: Final answer
    x = 2,439,845,703.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.