Home / 472,395,384.30-708,593,076.45-127,383,887.10

Finding the Fourth Proportional to 472,395,384.30, 708,593,076.45 and 127,383,887.10

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Solution

The fourth proportional to 472,395,384.30, 708,593,076.45 and 127,383,887.10 is: 191,075,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,384.30 : 708,593,076.45 = 127,383,887.10 : x
  2. Step 2: Convert to fraction form
    472,395,384.30/708,593,076.45 = 127,383,887.10/x
  3. Step 3: Cross multiply
    472,395,384.30x = 708,593,076.45 × 127,383,887.10
  4. Step 4: Simplify right side
    472,395,384.30x = 90,263,340,450,348,464
  5. Step 5: Solve for x
    x = 90,263,340,450,348,464/472,395,384.30
  6. Step 6: Final answer
    x = 191,075,830.65

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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.