Home / 1,983,188,122.79-2,974,412,192.99-802,459,179.45

Finding the Fourth Proportional to 1,983,188,122.79, 2,974,412,192.99 and 802,459,179.45

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Solution

The fourth proportional to 1,983,188,122.79, 2,974,412,192.99 and 802,459,179.45 is: 1,203,539,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,188,122.79 : 2,974,412,192.99 = 802,459,179.45 : x
  2. Step 2: Convert to fraction form
    1,983,188,122.79/2,974,412,192.99 = 802,459,179.45/x
  3. Step 3: Cross multiply
    1,983,188,122.79x = 2,974,412,192.99 × 802,459,179.45
  4. Step 4: Simplify right side
    1,983,188,122.79x = 2,386,844,367,728,818,176
  5. Step 5: Solve for x
    x = 2,386,844,367,728,818,176/1,983,188,122.79
  6. Step 6: Final answer
    x = 1,203,539,059.31

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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.