Home / 708,533,636.85-1,062,728,696.97-191,016,391.05

Finding the Fourth Proportional to 708,533,636.85, 1,062,728,696.97 and 191,016,391.05

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Solution

The fourth proportional to 708,533,636.85, 1,062,728,696.97 and 191,016,391.05 is: 286,505,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,533,636.85 : 1,062,728,696.97 = 191,016,391.05 : x
  2. Step 2: Convert to fraction form
    708,533,636.85/1,062,728,696.97 = 191,016,391.05/x
  3. Step 3: Cross multiply
    708,533,636.85x = 1,062,728,696.97 × 191,016,391.05
  4. Step 4: Simplify right side
    708,533,636.85x = 202,998,600,360,478,496
  5. Step 5: Solve for x
    x = 202,998,600,360,478,496/708,533,636.85
  6. Step 6: Final answer
    x = 286,505,240.97

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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.