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Finding the Fourth Proportional to 15,997,482,007.70, 22,341,375,007.90 and 15,997,482,007.70

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Solution

The fourth proportional to 15,997,482,007.70, 22,341,375,007.90 and 15,997,482,007.70 is: 22,341,375,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997,482,007.70 : 22,341,375,007.90 = 15,997,482,007.70 : x
  2. Step 2: Convert to fraction form
    15,997,482,007.70/22,341,375,007.90 = 15,997,482,007.70/x
  3. Step 3: Cross multiply
    15,997,482,007.70x = 22,341,375,007.90 × 15,997,482,007.70
  4. Step 4: Simplify right side
    15,997,482,007.70x = 357,405,744,716,158,730,240
  5. Step 5: Solve for x
    x = 357,405,744,716,158,730,240/15,997,482,007.70
  6. Step 6: Final answer
    x = 22,341,375,007.90

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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.