Home / 3,783,411,438.69-5,221,266,404.05-2,175,867,689.43

Finding the Fourth Proportional to 3,783,411,438.69, 5,221,266,404.05 and 2,175,867,689.43

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Solution

The fourth proportional to 3,783,411,438.69, 5,221,266,404.05 and 2,175,867,689.43 is: 3,002,788,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,411,438.69 : 5,221,266,404.05 = 2,175,867,689.43 : x
  2. Step 2: Convert to fraction form
    3,783,411,438.69/5,221,266,404.05 = 2,175,867,689.43/x
  3. Step 3: Cross multiply
    3,783,411,438.69x = 5,221,266,404.05 × 2,175,867,689.43
  4. Step 4: Simplify right side
    3,783,411,438.69x = 11,360,784,866,467,878,912
  5. Step 5: Solve for x
    x = 11,360,784,866,467,878,912/3,783,411,438.69
  6. Step 6: Final answer
    x = 3,002,788,634.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.