Home / 977,888,076.80-1,466,832,115.20-322,940,188.40

Finding the Fourth Proportional to 977,888,076.80, 1,466,832,115.20 and 322,940,188.40

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Solution

The fourth proportional to 977,888,076.80, 1,466,832,115.20 and 322,940,188.40 is: 484,410,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,888,076.80 : 1,466,832,115.20 = 322,940,188.40 : x
  2. Step 2: Convert to fraction form
    977,888,076.80/1,466,832,115.20 = 322,940,188.40/x
  3. Step 3: Cross multiply
    977,888,076.80x = 1,466,832,115.20 × 322,940,188.40
  4. Step 4: Simplify right side
    977,888,076.80x = 473,699,039,633,858,496
  5. Step 5: Solve for x
    x = 473,699,039,633,858,496/977,888,076.80
  6. Step 6: Final answer
    x = 484,410,282.60

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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.