Home / 6,787,135,689.49-9,366,100,191.93-3,929,398,317.19

Finding the Fourth Proportional to 6,787,135,689.49, 9,366,100,191.93 and 3,929,398,317.19

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Solution

The fourth proportional to 6,787,135,689.49, 9,366,100,191.93 and 3,929,398,317.19 is: 5,422,484,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,135,689.49 : 9,366,100,191.93 = 3,929,398,317.19 : x
  2. Step 2: Convert to fraction form
    6,787,135,689.49/9,366,100,191.93 = 3,929,398,317.19/x
  3. Step 3: Cross multiply
    6,787,135,689.49x = 9,366,100,191.93 × 3,929,398,317.19
  4. Step 4: Simplify right side
    6,787,135,689.49x = 36,803,138,332,802,678,784
  5. Step 5: Solve for x
    x = 36,803,138,332,802,678,784/6,787,135,689.49
  6. Step 6: Final answer
    x = 5,422,484,537.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.