Home / 330,833,032.80-496,355,837.40-221,781,339.60

Finding the Fourth Proportional to 330,833,032.80, 496,355,837.40 and 221,781,339.60

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Solution

The fourth proportional to 330,833,032.80, 496,355,837.40 and 221,781,339.60 is: 332,743,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,833,032.80 : 496,355,837.40 = 221,781,339.60 : x
  2. Step 2: Convert to fraction form
    330,833,032.80/496,355,837.40 = 221,781,339.60/x
  3. Step 3: Cross multiply
    330,833,032.80x = 496,355,837.40 × 221,781,339.60
  4. Step 4: Simplify right side
    330,833,032.80x = 110,082,462,536,851,776
  5. Step 5: Solve for x
    x = 110,082,462,536,851,776/330,833,032.80
  6. Step 6: Final answer
    x = 332,743,262.08

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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.