Home / 295,245,607.20-442,868,410.80-203,412,602.40

Finding the Fourth Proportional to 295,245,607.20, 442,868,410.80 and 203,412,602.40

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Solution

The fourth proportional to 295,245,607.20, 442,868,410.80 and 203,412,602.40 is: 305,118,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,607.20 : 442,868,410.80 = 203,412,602.40 : x
  2. Step 2: Convert to fraction form
    295,245,607.20/442,868,410.80 = 203,412,602.40/x
  3. Step 3: Cross multiply
    295,245,607.20x = 442,868,410.80 × 203,412,602.40
  4. Step 4: Simplify right side
    295,245,607.20x = 90,085,015,961,580,272
  5. Step 5: Solve for x
    x = 90,085,015,961,580,272/295,245,607.20
  6. Step 6: Final answer
    x = 305,118,903.60

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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.