Home / 295,245,311.40-442,867,967.10-218,717,807.40

Finding the Fourth Proportional to 295,245,311.40, 442,867,967.10 and 218,717,807.40

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Solution

The fourth proportional to 295,245,311.40, 442,867,967.10 and 218,717,807.40 is: 328,076,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,311.40 : 442,867,967.10 = 218,717,807.40 : x
  2. Step 2: Convert to fraction form
    295,245,311.40/442,867,967.10 = 218,717,807.40/x
  3. Step 3: Cross multiply
    295,245,311.40x = 442,867,967.10 × 218,717,807.40
  4. Step 4: Simplify right side
    295,245,311.40x = 96,863,110,731,807,344
  5. Step 5: Solve for x
    x = 96,863,110,731,807,344/295,245,311.40
  6. Step 6: Final answer
    x = 328,076,711.10

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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.