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Finding the Fourth Proportional to 3,315,703,645.80, 4,648,779,876.60 and 3,315,703,645.80

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Solution

The fourth proportional to 3,315,703,645.80, 4,648,779,876.60 and 3,315,703,645.80 is: 4,648,779,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,703,645.80 : 4,648,779,876.60 = 3,315,703,645.80 : x
  2. Step 2: Convert to fraction form
    3,315,703,645.80/4,648,779,876.60 = 3,315,703,645.80/x
  3. Step 3: Cross multiply
    3,315,703,645.80x = 4,648,779,876.60 × 3,315,703,645.80
  4. Step 4: Simplify right side
    3,315,703,645.80x = 15,413,976,385,364,295,680
  5. Step 5: Solve for x
    x = 15,413,976,385,364,295,680/3,315,703,645.80
  6. Step 6: Final answer
    x = 4,648,779,876.60

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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.