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Finding the Fourth Proportional to 7,338,577,408.80, 10,303,032,136.80 and 7,338,577,408.80

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Solution

The fourth proportional to 7,338,577,408.80, 10,303,032,136.80 and 7,338,577,408.80 is: 10,303,032,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,577,408.80 : 10,303,032,136.80 = 7,338,577,408.80 : x
  2. Step 2: Convert to fraction form
    7,338,577,408.80/10,303,032,136.80 = 7,338,577,408.80/x
  3. Step 3: Cross multiply
    7,338,577,408.80x = 10,303,032,136.80 × 7,338,577,408.80
  4. Step 4: Simplify right side
    7,338,577,408.80x = 75,609,598,881,260,863,488
  5. Step 5: Solve for x
    x = 75,609,598,881,260,863,488/7,338,577,408.80
  6. Step 6: Final answer
    x = 10,303,032,136.80

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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.