Home / 646,811,622.60-970,217,433.90-237,783,136.20

Finding the Fourth Proportional to 646,811,622.60, 970,217,433.90 and 237,783,136.20

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Solution

The fourth proportional to 646,811,622.60, 970,217,433.90 and 237,783,136.20 is: 356,674,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,811,622.60 : 970,217,433.90 = 237,783,136.20 : x
  2. Step 2: Convert to fraction form
    646,811,622.60/970,217,433.90 = 237,783,136.20/x
  3. Step 3: Cross multiply
    646,811,622.60x = 970,217,433.90 × 237,783,136.20
  4. Step 4: Simplify right side
    646,811,622.60x = 230,701,344,228,658,176
  5. Step 5: Solve for x
    x = 230,701,344,228,658,176/646,811,622.60
  6. Step 6: Final answer
    x = 356,674,704.30

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Double scale
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Similar ratio
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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.