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Finding the Fourth Proportional to 3,315,703,626.80, 4,648,779,850 and 3,315,703,626.80

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Solution

The fourth proportional to 3,315,703,626.80, 4,648,779,850 and 3,315,703,626.80 is: 4,648,779,850

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,703,626.80 : 4,648,779,850 = 3,315,703,626.80 : x
  2. Step 2: Convert to fraction form
    3,315,703,626.80/4,648,779,850 = 3,315,703,626.80/x
  3. Step 3: Cross multiply
    3,315,703,626.80x = 4,648,779,850 × 3,315,703,626.80
  4. Step 4: Simplify right side
    3,315,703,626.80x = 15,413,976,208,839,759,872
  5. Step 5: Solve for x
    x = 15,413,976,208,839,759,872/3,315,703,626.80
  6. Step 6: Final answer
    x = 4,648,779,850

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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.