Home / 331,776,363.20-497,664,544.80-263,248,030.40

Finding the Fourth Proportional to 331,776,363.20, 497,664,544.80 and 263,248,030.40

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Solution

The fourth proportional to 331,776,363.20, 497,664,544.80 and 263,248,030.40 is: 394,872,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,363.20 : 497,664,544.80 = 263,248,030.40 : x
  2. Step 2: Convert to fraction form
    331,776,363.20/497,664,544.80 = 263,248,030.40/x
  3. Step 3: Cross multiply
    331,776,363.20x = 497,664,544.80 × 263,248,030.40
  4. Step 4: Simplify right side
    331,776,363.20x = 131,009,211,218,512,576
  5. Step 5: Solve for x
    x = 131,009,211,218,512,576/331,776,363.20
  6. Step 6: Final answer
    x = 394,872,045.60

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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.