Home / 6,385,679,778.60-9,578,519,667.90-3,773,540,975.40

Finding the Fourth Proportional to 6,385,679,778.60, 9,578,519,667.90 and 3,773,540,975.40

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Solution

The fourth proportional to 6,385,679,778.60, 9,578,519,667.90 and 3,773,540,975.40 is: 5,660,311,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,679,778.60 : 9,578,519,667.90 = 3,773,540,975.40 : x
  2. Step 2: Convert to fraction form
    6,385,679,778.60/9,578,519,667.90 = 3,773,540,975.40/x
  3. Step 3: Cross multiply
    6,385,679,778.60x = 9,578,519,667.90 × 3,773,540,975.40
  4. Step 4: Simplify right side
    6,385,679,778.60x = 36,144,936,450,495,451,136
  5. Step 5: Solve for x
    x = 36,144,936,450,495,451,136/6,385,679,778.60
  6. Step 6: Final answer
    x = 5,660,311,463.10

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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.