Home / 828,900,865.60-1,243,134,568.80-246,478,235.20

Finding the Fourth Proportional to 828,900,865.60, 1,243,134,568.80 and 246,478,235.20

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Solution

The fourth proportional to 828,900,865.60, 1,243,134,568.80 and 246,478,235.20 is: 369,652,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,900,865.60 : 1,243,134,568.80 = 246,478,235.20 : x
  2. Step 2: Convert to fraction form
    828,900,865.60/1,243,134,568.80 = 246,478,235.20/x
  3. Step 3: Cross multiply
    828,900,865.60x = 1,243,134,568.80 × 246,478,235.20
  4. Step 4: Simplify right side
    828,900,865.60x = 306,405,614,633,936,960
  5. Step 5: Solve for x
    x = 306,405,614,633,936,960/828,900,865.60
  6. Step 6: Final answer
    x = 369,652,907.06

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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.