Home / 5,458,757,428.80-8,188,136,143.20-3,620,585,678.40

Finding the Fourth Proportional to 5,458,757,428.80, 8,188,136,143.20 and 3,620,585,678.40

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Solution

The fourth proportional to 5,458,757,428.80, 8,188,136,143.20 and 3,620,585,678.40 is: 5,430,878,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,757,428.80 : 8,188,136,143.20 = 3,620,585,678.40 : x
  2. Step 2: Convert to fraction form
    5,458,757,428.80/8,188,136,143.20 = 3,620,585,678.40/x
  3. Step 3: Cross multiply
    5,458,757,428.80x = 8,188,136,143.20 × 3,620,585,678.40
  4. Step 4: Simplify right side
    5,458,757,428.80x = 29,645,848,452,859,330,560
  5. Step 5: Solve for x
    x = 29,645,848,452,859,330,560/5,458,757,428.80
  6. Step 6: Final answer
    x = 5,430,878,517.60

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1.5x scale

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.