Home / 2,087,611,456.50-2,880,915,199.11-1,229,323,481.46

Finding the Fourth Proportional to 2,087,611,456.50, 2,880,915,199.11 and 1,229,323,481.46

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Solution

The fourth proportional to 2,087,611,456.50, 2,880,915,199.11 and 1,229,323,481.46 is: 1,696,473,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,611,456.50 : 2,880,915,199.11 = 1,229,323,481.46 : x
  2. Step 2: Convert to fraction form
    2,087,611,456.50/2,880,915,199.11 = 1,229,323,481.46/x
  3. Step 3: Cross multiply
    2,087,611,456.50x = 2,880,915,199.11 × 1,229,323,481.46
  4. Step 4: Simplify right side
    2,087,611,456.50x = 3,541,576,702,360,934,400
  5. Step 5: Solve for x
    x = 3,541,576,702,360,934,400/2,087,611,456.50
  6. Step 6: Final answer
    x = 1,696,473,111.09

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1.5x scale

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.