Home / 398,634,124.80-597,951,187.20-183,643,276.80

Finding the Fourth Proportional to 398,634,124.80, 597,951,187.20 and 183,643,276.80

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Solution

The fourth proportional to 398,634,124.80, 597,951,187.20 and 183,643,276.80 is: 275,464,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,634,124.80 : 597,951,187.20 = 183,643,276.80 : x
  2. Step 2: Convert to fraction form
    398,634,124.80/597,951,187.20 = 183,643,276.80/x
  3. Step 3: Cross multiply
    398,634,124.80x = 597,951,187.20 × 183,643,276.80
  4. Step 4: Simplify right side
    398,634,124.80x = 109,809,715,383,858,240
  5. Step 5: Solve for x
    x = 109,809,715,383,858,240/398,634,124.80
  6. Step 6: Final answer
    x = 275,464,915.20

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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.