Home / 3,626,865,661.80-5,440,298,492.70-1,328,852,375.40

Finding the Fourth Proportional to 3,626,865,661.80, 5,440,298,492.70 and 1,328,852,375.40

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Solution

The fourth proportional to 3,626,865,661.80, 5,440,298,492.70 and 1,328,852,375.40 is: 1,993,278,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626,865,661.80 : 5,440,298,492.70 = 1,328,852,375.40 : x
  2. Step 2: Convert to fraction form
    3,626,865,661.80/5,440,298,492.70 = 1,328,852,375.40/x
  3. Step 3: Cross multiply
    3,626,865,661.80x = 5,440,298,492.70 × 1,328,852,375.40
  4. Step 4: Simplify right side
    3,626,865,661.80x = 7,229,353,574,909,434,880
  5. Step 5: Solve for x
    x = 7,229,353,574,909,434,880/3,626,865,661.80
  6. Step 6: Final answer
    x = 1,993,278,563.10

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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.