Home / 876,165,553.98-1,314,423,706.50-323,471,342.64

Finding the Fourth Proportional to 876,165,553.98, 1,314,423,706.50 and 323,471,342.64

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Solution

The fourth proportional to 876,165,553.98, 1,314,423,706.50 and 323,471,342.64 is: 485,271,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,165,553.98 : 1,314,423,706.50 = 323,471,342.64 : x
  2. Step 2: Convert to fraction form
    876,165,553.98/1,314,423,706.50 = 323,471,342.64/x
  3. Step 3: Cross multiply
    876,165,553.98x = 1,314,423,706.50 × 323,471,342.64
  4. Step 4: Simplify right side
    876,165,553.98x = 425,178,401,139,400,256
  5. Step 5: Solve for x
    x = 425,178,401,139,400,256/876,165,553.98
  6. Step 6: Final answer
    x = 485,271,760.81

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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.