Home / 5,318,784,137.60-7,978,176,206.40-2,869,904,009.60

Finding the Fourth Proportional to 5,318,784,137.60, 7,978,176,206.40 and 2,869,904,009.60

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Solution

The fourth proportional to 5,318,784,137.60, 7,978,176,206.40 and 2,869,904,009.60 is: 4,304,856,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,137.60 : 7,978,176,206.40 = 2,869,904,009.60 : x
  2. Step 2: Convert to fraction form
    5,318,784,137.60/7,978,176,206.40 = 2,869,904,009.60/x
  3. Step 3: Cross multiply
    5,318,784,137.60x = 7,978,176,206.40 × 2,869,904,009.60
  4. Step 4: Simplify right side
    5,318,784,137.60x = 22,896,599,884,042,674,176
  5. Step 5: Solve for x
    x = 22,896,599,884,042,674,176/5,318,784,137.60
  6. Step 6: Final answer
    x = 4,304,856,014.40

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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.