Home / 639,738,094.30-959,607,141.45-295,364,326.30

Finding the Fourth Proportional to 639,738,094.30, 959,607,141.45 and 295,364,326.30

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Solution

The fourth proportional to 639,738,094.30, 959,607,141.45 and 295,364,326.30 is: 443,046,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,094.30 : 959,607,141.45 = 295,364,326.30 : x
  2. Step 2: Convert to fraction form
    639,738,094.30/959,607,141.45 = 295,364,326.30/x
  3. Step 3: Cross multiply
    639,738,094.30x = 959,607,141.45 × 295,364,326.30
  4. Step 4: Simplify right side
    639,738,094.30x = 283,433,716,847,048,096
  5. Step 5: Solve for x
    x = 283,433,716,847,048,096/639,738,094.30
  6. Step 6: Final answer
    x = 443,046,489.45

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Double scale
Find fourth proportional to 639,738,095.30, 959,607,142.95 and 295,364,327.30
Similar ratio
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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.