Home / 5,214,492,030.10-7,821,738,045.15-3,561,497,943.70

Finding the Fourth Proportional to 5,214,492,030.10, 7,821,738,045.15 and 3,561,497,943.70

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Solution

The fourth proportional to 5,214,492,030.10, 7,821,738,045.15 and 3,561,497,943.70 is: 5,342,246,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,492,030.10 : 7,821,738,045.15 = 3,561,497,943.70 : x
  2. Step 2: Convert to fraction form
    5,214,492,030.10/7,821,738,045.15 = 3,561,497,943.70/x
  3. Step 3: Cross multiply
    5,214,492,030.10x = 7,821,738,045.15 × 3,561,497,943.70
  4. Step 4: Simplify right side
    5,214,492,030.10x = 27,857,103,963,961,778,176
  5. Step 5: Solve for x
    x = 27,857,103,963,961,778,176/5,214,492,030.10
  6. Step 6: Final answer
    x = 5,342,246,915.55

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Double scale
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Similar ratio
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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.