Home / 340,807,807.60-511,211,711.40-298,717,680.40

Finding the Fourth Proportional to 340,807,807.60, 511,211,711.40 and 298,717,680.40

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Solution

The fourth proportional to 340,807,807.60, 511,211,711.40 and 298,717,680.40 is: 448,076,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,807,807.60 : 511,211,711.40 = 298,717,680.40 : x
  2. Step 2: Convert to fraction form
    340,807,807.60/511,211,711.40 = 298,717,680.40/x
  3. Step 3: Cross multiply
    340,807,807.60x = 511,211,711.40 × 298,717,680.40
  4. Step 4: Simplify right side
    340,807,807.60x = 152,707,976,622,722,208
  5. Step 5: Solve for x
    x = 152,707,976,622,722,208/340,807,807.60
  6. Step 6: Final answer
    x = 448,076,520.60

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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.