Home / 598,193,979.20-897,290,968.80-368,422,510.40

Finding the Fourth Proportional to 598,193,979.20, 897,290,968.80 and 368,422,510.40

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Solution

The fourth proportional to 598,193,979.20, 897,290,968.80 and 368,422,510.40 is: 552,633,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,193,979.20 : 897,290,968.80 = 368,422,510.40 : x
  2. Step 2: Convert to fraction form
    598,193,979.20/897,290,968.80 = 368,422,510.40/x
  3. Step 3: Cross multiply
    598,193,979.20x = 897,290,968.80 × 368,422,510.40
  4. Step 4: Simplify right side
    598,193,979.20x = 330,582,191,284,544,064
  5. Step 5: Solve for x
    x = 330,582,191,284,544,064/598,193,979.20
  6. Step 6: Final answer
    x = 552,633,765.60

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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.