Home / 508,728,233,175.74-763,317,695,210.10-266,647,811,846.40

Finding the Fourth Proportional to 508,728,233,175.74, 763,317,695,210.10 and 266,647,811,846.40

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Solution

The fourth proportional to 508,728,233,175.74, 763,317,695,210.10 and 266,647,811,846.40 is: 400,089,831,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,728,233,175.74 : 763,317,695,210.10 = 266,647,811,846.40 : x
  2. Step 2: Convert to fraction form
    508,728,233,175.74/763,317,695,210.10 = 266,647,811,846.40/x
  3. Step 3: Cross multiply
    508,728,233,175.74x = 763,317,695,210.10 × 266,647,811,846.40
  4. Step 4: Simplify right side
    508,728,233,175.74x = 203,536,993,171,410,429,935,616
  5. Step 5: Solve for x
    x = 203,536,993,171,410,429,935,616/508,728,233,175.74
  6. Step 6: Final answer
    x = 400,089,831,658.90

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Double scale
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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.