Home / 3,626,865,646.30-5,440,298,469.45-1,328,852,359.90

Finding the Fourth Proportional to 3,626,865,646.30, 5,440,298,469.45 and 1,328,852,359.90

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Solution

The fourth proportional to 3,626,865,646.30, 5,440,298,469.45 and 1,328,852,359.90 is: 1,993,278,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626,865,646.30 : 5,440,298,469.45 = 1,328,852,359.90 : x
  2. Step 2: Convert to fraction form
    3,626,865,646.30/5,440,298,469.45 = 1,328,852,359.90/x
  3. Step 3: Cross multiply
    3,626,865,646.30x = 5,440,298,469.45 × 1,328,852,359.90
  4. Step 4: Simplify right side
    3,626,865,646.30x = 7,229,353,459,688,990,720
  5. Step 5: Solve for x
    x = 7,229,353,459,688,990,720/3,626,865,646.30
  6. Step 6: Final answer
    x = 1,993,278,539.85

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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.