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Finding the Fourth Proportional to 15,956,353,390.20, 22,375,627,948.20 and 15,956,353,390.20

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Solution

The fourth proportional to 15,956,353,390.20, 22,375,627,948.20 and 15,956,353,390.20 is: 22,375,627,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956,353,390.20 : 22,375,627,948.20 = 15,956,353,390.20 : x
  2. Step 2: Convert to fraction form
    15,956,353,390.20/22,375,627,948.20 = 15,956,353,390.20/x
  3. Step 3: Cross multiply
    15,956,353,390.20x = 22,375,627,948.20 × 15,956,353,390.20
  4. Step 4: Simplify right side
    15,956,353,390.20x = 357,033,426,869,114,961,920
  5. Step 5: Solve for x
    x = 357,033,426,869,114,961,920/15,956,353,390.20
  6. Step 6: Final answer
    x = 22,375,627,948.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.