Home / 330,984,890.40-496,760,770.80-147,035,445.60

Finding the Fourth Proportional to 330,984,890.40, 496,760,770.80 and 147,035,445.60

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Solution

The fourth proportional to 330,984,890.40, 496,760,770.80 and 147,035,445.60 is: 220,679,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,984,890.40 : 496,760,770.80 = 147,035,445.60 : x
  2. Step 2: Convert to fraction form
    330,984,890.40/496,760,770.80 = 147,035,445.60/x
  3. Step 3: Cross multiply
    330,984,890.40x = 496,760,770.80 × 147,035,445.60
  4. Step 4: Simplify right side
    330,984,890.40x = 73,041,441,291,177,472
  5. Step 5: Solve for x
    x = 73,041,441,291,177,472/330,984,890.40
  6. Step 6: Final answer
    x = 220,679,080.56

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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.