Home / 704,216,620.80-1,057,121,193.60-417,164,025.60

Finding the Fourth Proportional to 704,216,620.80, 1,057,121,193.60 and 417,164,025.60

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Solution

The fourth proportional to 704,216,620.80, 1,057,121,193.60 and 417,164,025.60 is: 626,217,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,216,620.80 : 1,057,121,193.60 = 417,164,025.60 : x
  2. Step 2: Convert to fraction form
    704,216,620.80/1,057,121,193.60 = 417,164,025.60/x
  3. Step 3: Cross multiply
    704,216,620.80x = 1,057,121,193.60 × 417,164,025.60
  4. Step 4: Simplify right side
    704,216,620.80x = 440,992,932,669,252,992
  5. Step 5: Solve for x
    x = 440,992,932,669,252,992/704,216,620.80
  6. Step 6: Final answer
    x = 626,217,728.53

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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.