Home / 826,708,807.80-1,240,063,211.70-367,543,783.80

Finding the Fourth Proportional to 826,708,807.80, 1,240,063,211.70 and 367,543,783.80

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Solution

The fourth proportional to 826,708,807.80, 1,240,063,211.70 and 367,543,783.80 is: 551,315,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,708,807.80 : 1,240,063,211.70 = 367,543,783.80 : x
  2. Step 2: Convert to fraction form
    826,708,807.80/1,240,063,211.70 = 367,543,783.80/x
  3. Step 3: Cross multiply
    826,708,807.80x = 1,240,063,211.70 × 367,543,783.80
  4. Step 4: Simplify right side
    826,708,807.80x = 455,777,524,979,398,464
  5. Step 5: Solve for x
    x = 455,777,524,979,398,464/826,708,807.80
  6. Step 6: Final answer
    x = 551,315,675.70

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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.