Home / 331,776,043.40-497,664,065.10-209,947,896.20

Finding the Fourth Proportional to 331,776,043.40, 497,664,065.10 and 209,947,896.20

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Solution

The fourth proportional to 331,776,043.40, 497,664,065.10 and 209,947,896.20 is: 314,921,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,043.40 : 497,664,065.10 = 209,947,896.20 : x
  2. Step 2: Convert to fraction form
    331,776,043.40/497,664,065.10 = 209,947,896.20/x
  3. Step 3: Cross multiply
    331,776,043.40x = 497,664,065.10 × 209,947,896.20
  4. Step 4: Simplify right side
    331,776,043.40x = 104,483,523,482,084,848
  5. Step 5: Solve for x
    x = 104,483,523,482,084,848/331,776,043.40
  6. Step 6: Final answer
    x = 314,921,844.30

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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.