Home / 547,859,979.64-756,046,706.70-300,343,082.68

Finding the Fourth Proportional to 547,859,979.64, 756,046,706.70 and 300,343,082.68

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Solution

The fourth proportional to 547,859,979.64, 756,046,706.70 and 300,343,082.68 is: 414,473,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,859,979.64 : 756,046,706.70 = 300,343,082.68 : x
  2. Step 2: Convert to fraction form
    547,859,979.64/756,046,706.70 = 300,343,082.68/x
  3. Step 3: Cross multiply
    547,859,979.64x = 756,046,706.70 × 300,343,082.68
  4. Step 4: Simplify right side
    547,859,979.64x = 227,073,398,540,339,840
  5. Step 5: Solve for x
    x = 227,073,398,540,339,840/547,859,979.64
  6. Step 6: Final answer
    x = 414,473,418.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.