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Finding the Fourth Proportional to 6,438,546,707.40, 9,657,820,061.10 and 6,438,546,707.40

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Solution

The fourth proportional to 6,438,546,707.40, 9,657,820,061.10 and 6,438,546,707.40 is: 9,657,820,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,546,707.40 : 9,657,820,061.10 = 6,438,546,707.40 : x
  2. Step 2: Convert to fraction form
    6,438,546,707.40/9,657,820,061.10 = 6,438,546,707.40/x
  3. Step 3: Cross multiply
    6,438,546,707.40x = 9,657,820,061.10 × 6,438,546,707.40
  4. Step 4: Simplify right side
    6,438,546,707.40x = 62,182,325,555,057,074,176
  5. Step 5: Solve for x
    x = 62,182,325,555,057,074,176/6,438,546,707.40
  6. Step 6: Final answer
    x = 9,657,820,061.10

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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.