Home / 452,413,657.20-678,620,485.80-222,831,145.20

Finding the Fourth Proportional to 452,413,657.20, 678,620,485.80 and 222,831,145.20

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Solution

The fourth proportional to 452,413,657.20, 678,620,485.80 and 222,831,145.20 is: 334,246,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,413,657.20 : 678,620,485.80 = 222,831,145.20 : x
  2. Step 2: Convert to fraction form
    452,413,657.20/678,620,485.80 = 222,831,145.20/x
  3. Step 3: Cross multiply
    452,413,657.20x = 678,620,485.80 × 222,831,145.20
  4. Step 4: Simplify right side
    452,413,657.20x = 151,217,780,006,994,304
  5. Step 5: Solve for x
    x = 151,217,780,006,994,304/452,413,657.20
  6. Step 6: Final answer
    x = 334,246,717.80

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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.