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Finding the Fourth Proportional to 6,645,033,221.70, 9,967,549,832.55 and 6,645,033,221.70

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Solution

The fourth proportional to 6,645,033,221.70, 9,967,549,832.55 and 6,645,033,221.70 is: 9,967,549,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,033,221.70 : 9,967,549,832.55 = 6,645,033,221.70 : x
  2. Step 2: Convert to fraction form
    6,645,033,221.70/9,967,549,832.55 = 6,645,033,221.70/x
  3. Step 3: Cross multiply
    6,645,033,221.70x = 9,967,549,832.55 × 6,645,033,221.70
  4. Step 4: Simplify right side
    6,645,033,221.70x = 66,234,699,776,245,014,528
  5. Step 5: Solve for x
    x = 66,234,699,776,245,014,528/6,645,033,221.70
  6. Step 6: Final answer
    x = 9,967,549,832.55

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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.