Home / 1,679,701,247.40-2,519,929,784.70-989,253,100.20

Finding the Fourth Proportional to 1,679,701,247.40, 2,519,929,784.70 and 989,253,100.20

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Solution

The fourth proportional to 1,679,701,247.40, 2,519,929,784.70 and 989,253,100.20 is: 1,484,102,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,701,247.40 : 2,519,929,784.70 = 989,253,100.20 : x
  2. Step 2: Convert to fraction form
    1,679,701,247.40/2,519,929,784.70 = 989,253,100.20/x
  3. Step 3: Cross multiply
    1,679,701,247.40x = 2,519,929,784.70 × 989,253,100.20
  4. Step 4: Simplify right side
    1,679,701,247.40x = 2,492,848,351,800,793,600
  5. Step 5: Solve for x
    x = 2,492,848,351,800,793,600/1,679,701,247.40
  6. Step 6: Final answer
    x = 1,484,102,220.95

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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.