Home / 472,569,054.31-708,847,879.45-122,784,171.28

Finding the Fourth Proportional to 472,569,054.31, 708,847,879.45 and 122,784,171.28

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Solution

The fourth proportional to 472,569,054.31, 708,847,879.45 and 122,784,171.28 is: 184,174,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,569,054.31 : 708,847,879.45 = 122,784,171.28 : x
  2. Step 2: Convert to fraction form
    472,569,054.31/708,847,879.45 = 122,784,171.28/x
  3. Step 3: Cross multiply
    472,569,054.31x = 708,847,879.45 × 122,784,171.28
  4. Step 4: Simplify right side
    472,569,054.31x = 87,035,299,441,853,600
  5. Step 5: Solve for x
    x = 87,035,299,441,853,600/472,569,054.31
  6. Step 6: Final answer
    x = 184,174,775.41

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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.