Home / 771,000,360.80-1,156,065,940.28-253,291,796.24

Finding the Fourth Proportional to 771,000,360.80, 1,156,065,940.28 and 253,291,796.24

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Solution

The fourth proportional to 771,000,360.80, 1,156,065,940.28 and 253,291,796.24 is: 379,794,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,000,360.80 : 1,156,065,940.28 = 253,291,796.24 : x
  2. Step 2: Convert to fraction form
    771,000,360.80/1,156,065,940.28 = 253,291,796.24/x
  3. Step 3: Cross multiply
    771,000,360.80x = 1,156,065,940.28 × 253,291,796.24
  4. Step 4: Simplify right side
    771,000,360.80x = 292,822,018,585,405,760
  5. Step 5: Solve for x
    x = 292,822,018,585,405,760/771,000,360.80
  6. Step 6: Final answer
    x = 379,794,917.71

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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.