Home / 631,520,350.64-947,415,740.88-188,897,794.64

Finding the Fourth Proportional to 631,520,350.64, 947,415,740.88 and 188,897,794.64

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Solution

The fourth proportional to 631,520,350.64, 947,415,740.88 and 188,897,794.64 is: 283,387,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,520,350.64 : 947,415,740.88 = 188,897,794.64 : x
  2. Step 2: Convert to fraction form
    631,520,350.64/947,415,740.88 = 188,897,794.64/x
  3. Step 3: Cross multiply
    631,520,350.64x = 947,415,740.88 × 188,897,794.64
  4. Step 4: Simplify right side
    631,520,350.64x = 178,964,744,059,453,664
  5. Step 5: Solve for x
    x = 178,964,744,059,453,664/631,520,350.64
  6. Step 6: Final answer
    x = 283,387,136.90

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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.