Home / 1,928,934,059.40-2,893,401,089.10-1,915,329,169.80

Finding the Fourth Proportional to 1,928,934,059.40, 2,893,401,089.10 and 1,915,329,169.80

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Solution

The fourth proportional to 1,928,934,059.40, 2,893,401,089.10 and 1,915,329,169.80 is: 2,872,993,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,934,059.40 : 2,893,401,089.10 = 1,915,329,169.80 : x
  2. Step 2: Convert to fraction form
    1,928,934,059.40/2,893,401,089.10 = 1,915,329,169.80/x
  3. Step 3: Cross multiply
    1,928,934,059.40x = 2,893,401,089.10 × 1,915,329,169.80
  4. Step 4: Simplify right side
    1,928,934,059.40x = 5,541,815,505,884,318,720
  5. Step 5: Solve for x
    x = 5,541,815,505,884,318,720/1,928,934,059.40
  6. Step 6: Final answer
    x = 2,872,993,754.70

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Double scale
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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.