Home / 647,619,805.70-971,093,785.35-238,465,348.10

Finding the Fourth Proportional to 647,619,805.70, 971,093,785.35 and 238,465,348.10

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Solution

The fourth proportional to 647,619,805.70, 971,093,785.35 and 238,465,348.10 is: 357,574,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,619,805.70 : 971,093,785.35 = 238,465,348.10 : x
  2. Step 2: Convert to fraction form
    647,619,805.70/971,093,785.35 = 238,465,348.10/x
  3. Step 3: Cross multiply
    647,619,805.70x = 971,093,785.35 × 238,465,348.10
  4. Step 4: Simplify right side
    647,619,805.70x = 231,572,217,561,234,432
  5. Step 5: Solve for x
    x = 231,572,217,561,234,432/647,619,805.70
  6. Step 6: Final answer
    x = 357,574,329.14

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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.