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Finding the Fourth Proportional to 2,126,291,674.80, 2,969,552,403.60 and 2,126,291,674.80

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Solution

The fourth proportional to 2,126,291,674.80, 2,969,552,403.60 and 2,126,291,674.80 is: 2,969,552,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,291,674.80 : 2,969,552,403.60 = 2,126,291,674.80 : x
  2. Step 2: Convert to fraction form
    2,126,291,674.80/2,969,552,403.60 = 2,126,291,674.80/x
  3. Step 3: Cross multiply
    2,126,291,674.80x = 2,969,552,403.60 × 2,126,291,674.80
  4. Step 4: Simplify right side
    2,126,291,674.80x = 6,314,134,553,657,009,152
  5. Step 5: Solve for x
    x = 6,314,134,553,657,009,152/2,126,291,674.80
  6. Step 6: Final answer
    x = 2,969,552,403.60

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Half scale
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Double scale
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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.