Home / 1,687,571,362.92-2,329,655,953.50-1,123,994,137.80

Finding the Fourth Proportional to 1,687,571,362.92, 2,329,655,953.50 and 1,123,994,137.80

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Solution

The fourth proportional to 1,687,571,362.92, 2,329,655,953.50 and 1,123,994,137.80 is: 1,551,649,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,571,362.92 : 2,329,655,953.50 = 1,123,994,137.80 : x
  2. Step 2: Convert to fraction form
    1,687,571,362.92/2,329,655,953.50 = 1,123,994,137.80/x
  3. Step 3: Cross multiply
    1,687,571,362.92x = 2,329,655,953.50 × 1,123,994,137.80
  4. Step 4: Simplify right side
    1,687,571,362.92x = 2,618,519,634,824,869,376
  5. Step 5: Solve for x
    x = 2,618,519,634,824,869,376/1,687,571,362.92
  6. Step 6: Final answer
    x = 1,551,649,721.23

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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.