Home / 832,701,647.20-1,248,156,675.60-314,932,021.60

Finding the Fourth Proportional to 832,701,647.20, 1,248,156,675.60 and 314,932,021.60

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Solution

The fourth proportional to 832,701,647.20, 1,248,156,675.60 and 314,932,021.60 is: 472,059,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,701,647.20 : 1,248,156,675.60 = 314,932,021.60 : x
  2. Step 2: Convert to fraction form
    832,701,647.20/1,248,156,675.60 = 314,932,021.60/x
  3. Step 3: Cross multiply
    832,701,647.20x = 1,248,156,675.60 × 314,932,021.60
  4. Step 4: Simplify right side
    832,701,647.20x = 393,084,505,120,243,392
  5. Step 5: Solve for x
    x = 393,084,505,120,243,392/832,701,647.20
  6. Step 6: Final answer
    x = 472,059,238.07

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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.