Home / 663,848,535.22-916,230,894.49-395,941,540.96

Finding the Fourth Proportional to 663,848,535.22, 916,230,894.49 and 395,941,540.96

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Solution

The fourth proportional to 663,848,535.22, 916,230,894.49 and 395,941,540.96 is: 546,470,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,848,535.22 : 916,230,894.49 = 395,941,540.96 : x
  2. Step 2: Convert to fraction form
    663,848,535.22/916,230,894.49 = 395,941,540.96/x
  3. Step 3: Cross multiply
    663,848,535.22x = 916,230,894.49 × 395,941,540.96
  4. Step 4: Simplify right side
    663,848,535.22x = 362,773,872,239,529,728
  5. Step 5: Solve for x
    x = 362,773,872,239,529,728/663,848,535.22
  6. Step 6: Final answer
    x = 546,470,848.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.