Home / 756,864,000.10-1,135,296,000.15-211,604,659.30

Finding the Fourth Proportional to 756,864,000.10, 1,135,296,000.15 and 211,604,659.30

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Solution

The fourth proportional to 756,864,000.10, 1,135,296,000.15 and 211,604,659.30 is: 317,406,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,864,000.10 : 1,135,296,000.15 = 211,604,659.30 : x
  2. Step 2: Convert to fraction form
    756,864,000.10/1,135,296,000.15 = 211,604,659.30/x
  3. Step 3: Cross multiply
    756,864,000.10x = 1,135,296,000.15 × 211,604,659.30
  4. Step 4: Simplify right side
    756,864,000.10x = 240,233,923,316,393,536
  5. Step 5: Solve for x
    x = 240,233,923,316,393,536/756,864,000.10
  6. Step 6: Final answer
    x = 317,406,988.95

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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.