Home / 917,096,773.68-1,375,857,678.96-262,056,331.44

Finding the Fourth Proportional to 917,096,773.68, 1,375,857,678.96 and 262,056,331.44

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Solution

The fourth proportional to 917,096,773.68, 1,375,857,678.96 and 262,056,331.44 is: 393,145,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,096,773.68 : 1,375,857,678.96 = 262,056,331.44 : x
  2. Step 2: Convert to fraction form
    917,096,773.68/1,375,857,678.96 = 262,056,331.44/x
  3. Step 3: Cross multiply
    917,096,773.68x = 1,375,857,678.96 × 262,056,331.44
  4. Step 4: Simplify right side
    917,096,773.68x = 360,552,215,931,810,880
  5. Step 5: Solve for x
    x = 360,552,215,931,810,880/917,096,773.68
  6. Step 6: Final answer
    x = 393,145,223.36

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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.