Home / 320,031,029.70-480,046,544.55-314,929,196.10

Finding the Fourth Proportional to 320,031,029.70, 480,046,544.55 and 314,929,196.10

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Solution

The fourth proportional to 320,031,029.70, 480,046,544.55 and 314,929,196.10 is: 472,393,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,031,029.70 : 480,046,544.55 = 314,929,196.10 : x
  2. Step 2: Convert to fraction form
    320,031,029.70/480,046,544.55 = 314,929,196.10/x
  3. Step 3: Cross multiply
    320,031,029.70x = 480,046,544.55 × 314,929,196.10
  4. Step 4: Simplify right side
    320,031,029.70x = 151,180,672,365,714,336
  5. Step 5: Solve for x
    x = 151,180,672,365,714,336/320,031,029.70
  6. Step 6: Final answer
    x = 472,393,794.15

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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.