Home / 776,480,256,467.40-1,164,720,384,701.10-378,782,123,680.20

Finding the Fourth Proportional to 776,480,256,467.40, 1,164,720,384,701.10 and 378,782,123,680.20

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Solution

The fourth proportional to 776,480,256,467.40, 1,164,720,384,701.10 and 378,782,123,680.20 is: 568,173,185,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,480,256,467.40 : 1,164,720,384,701.10 = 378,782,123,680.20 : x
  2. Step 2: Convert to fraction form
    776,480,256,467.40/1,164,720,384,701.10 = 378,782,123,680.20/x
  3. Step 3: Cross multiply
    776,480,256,467.40x = 1,164,720,384,701.10 × 378,782,123,680.20
  4. Step 4: Simplify right side
    776,480,256,467.40x = 441,175,260,810,702,246,379,520
  5. Step 5: Solve for x
    x = 441,175,260,810,702,246,379,520/776,480,256,467.40
  6. Step 6: Final answer
    x = 568,173,185,520.30

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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.