Home / 551,124,014.10-826,686,021.15-308,755,425.30

Finding the Fourth Proportional to 551,124,014.10, 826,686,021.15 and 308,755,425.30

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Solution

The fourth proportional to 551,124,014.10, 826,686,021.15 and 308,755,425.30 is: 463,133,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,124,014.10 : 826,686,021.15 = 308,755,425.30 : x
  2. Step 2: Convert to fraction form
    551,124,014.10/826,686,021.15 = 308,755,425.30/x
  3. Step 3: Cross multiply
    551,124,014.10x = 826,686,021.15 × 308,755,425.30
  4. Step 4: Simplify right side
    551,124,014.10x = 255,243,794,049,733,056
  5. Step 5: Solve for x
    x = 255,243,794,049,733,056/551,124,014.10
  6. Step 6: Final answer
    x = 463,133,137.95

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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.