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Finding the Fourth Proportional to 79,739,971,574.40, 119,609,957,361.60 and 79,739,971,574.40

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Solution

The fourth proportional to 79,739,971,574.40, 119,609,957,361.60 and 79,739,971,574.40 is: 119,609,957,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,739,971,574.40 : 119,609,957,361.60 = 79,739,971,574.40 : x
  2. Step 2: Convert to fraction form
    79,739,971,574.40/119,609,957,361.60 = 79,739,971,574.40/x
  3. Step 3: Cross multiply
    79,739,971,574.40x = 119,609,957,361.60 × 79,739,971,574.40
  4. Step 4: Simplify right side
    79,739,971,574.40x = 9,537,694,600,029,179,740,160
  5. Step 5: Solve for x
    x = 9,537,694,600,029,179,740,160/79,739,971,574.40
  6. Step 6: Final answer
    x = 119,609,957,361.60

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Double scale
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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.