Home / 617,371,868.20-851,973,995.85-335,114,125.72

Finding the Fourth Proportional to 617,371,868.20, 851,973,995.85 and 335,114,125.72

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Solution

The fourth proportional to 617,371,868.20, 851,973,995.85 and 335,114,125.72 is: 462,457,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,371,868.20 : 851,973,995.85 = 335,114,125.72 : x
  2. Step 2: Convert to fraction form
    617,371,868.20/851,973,995.85 = 335,114,125.72/x
  3. Step 3: Cross multiply
    617,371,868.20x = 851,973,995.85 × 335,114,125.72
  4. Step 4: Simplify right side
    617,371,868.20x = 285,508,520,755,447,680
  5. Step 5: Solve for x
    x = 285,508,520,755,447,680/617,371,868.20
  6. Step 6: Final answer
    x = 462,457,937.37

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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.