Home / 472,540,411.16-708,807,642.42-254,293,557.56

Finding the Fourth Proportional to 472,540,411.16, 708,807,642.42 and 254,293,557.56

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Solution

The fourth proportional to 472,540,411.16, 708,807,642.42 and 254,293,557.56 is: 381,438,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,540,411.16 : 708,807,642.42 = 254,293,557.56 : x
  2. Step 2: Convert to fraction form
    472,540,411.16/708,807,642.42 = 254,293,557.56/x
  3. Step 3: Cross multiply
    472,540,411.16x = 708,807,642.42 × 254,293,557.56
  4. Step 4: Simplify right side
    472,540,411.16x = 180,245,217,016,698,144
  5. Step 5: Solve for x
    x = 180,245,217,016,698,144/472,540,411.16
  6. Step 6: Final answer
    x = 381,438,735.74

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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.