Home / 330,862,221.60-496,311,994.80-100,838,810.40

Finding the Fourth Proportional to 330,862,221.60, 496,311,994.80 and 100,838,810.40

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Solution

The fourth proportional to 330,862,221.60, 496,311,994.80 and 100,838,810.40 is: 151,263,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,862,221.60 : 496,311,994.80 = 100,838,810.40 : x
  2. Step 2: Convert to fraction form
    330,862,221.60/496,311,994.80 = 100,838,810.40/x
  3. Step 3: Cross multiply
    330,862,221.60x = 496,311,994.80 × 100,838,810.40
  4. Step 4: Simplify right side
    330,862,221.60x = 50,047,511,142,882,992
  5. Step 5: Solve for x
    x = 50,047,511,142,882,992/330,862,221.60
  6. Step 6: Final answer
    x = 151,263,903.45

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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.