Home / 1,703,399,669.85-2,555,099,504.78-668,294,319.45

Finding the Fourth Proportional to 1,703,399,669.85, 2,555,099,504.78 and 668,294,319.45

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Solution

The fourth proportional to 1,703,399,669.85, 2,555,099,504.78 and 668,294,319.45 is: 1,002,441,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,399,669.85 : 2,555,099,504.78 = 668,294,319.45 : x
  2. Step 2: Convert to fraction form
    1,703,399,669.85/2,555,099,504.78 = 668,294,319.45/x
  3. Step 3: Cross multiply
    1,703,399,669.85x = 2,555,099,504.78 × 668,294,319.45
  4. Step 4: Simplify right side
    1,703,399,669.85x = 1,707,558,484,670,640,896
  5. Step 5: Solve for x
    x = 1,707,558,484,670,640,896/1,703,399,669.85
  6. Step 6: Final answer
    x = 1,002,441,479.18

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Double scale
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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.