Home / 2,689,806,492.80-4,034,709,739.20-944,979,401.60

Finding the Fourth Proportional to 2,689,806,492.80, 4,034,709,739.20 and 944,979,401.60

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Solution

The fourth proportional to 2,689,806,492.80, 4,034,709,739.20 and 944,979,401.60 is: 1,417,469,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,806,492.80 : 4,034,709,739.20 = 944,979,401.60 : x
  2. Step 2: Convert to fraction form
    2,689,806,492.80/4,034,709,739.20 = 944,979,401.60/x
  3. Step 3: Cross multiply
    2,689,806,492.80x = 4,034,709,739.20 × 944,979,401.60
  4. Step 4: Simplify right side
    2,689,806,492.80x = 3,812,717,594,978,908,160
  5. Step 5: Solve for x
    x = 3,812,717,594,978,908,160/2,689,806,492.80
  6. Step 6: Final answer
    x = 1,417,469,102.40

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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.