Home / 806,360,385.18-1,208,557,933.29-417,969,091.74

Finding the Fourth Proportional to 806,360,385.18, 1,208,557,933.29 and 417,969,091.74

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Solution

The fourth proportional to 806,360,385.18, 1,208,557,933.29 and 417,969,091.74 is: 626,444,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,360,385.18 : 1,208,557,933.29 = 417,969,091.74 : x
  2. Step 2: Convert to fraction form
    806,360,385.18/1,208,557,933.29 = 417,969,091.74/x
  3. Step 3: Cross multiply
    806,360,385.18x = 1,208,557,933.29 × 417,969,091.74
  4. Step 4: Simplify right side
    806,360,385.18x = 505,139,861,692,392,832
  5. Step 5: Solve for x
    x = 505,139,861,692,392,832/806,360,385.18
  6. Step 6: Final answer
    x = 626,444,293.37

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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.