Home / 570,737,604.82-787,621,925.74-309,977,220.82

Finding the Fourth Proportional to 570,737,604.82, 787,621,925.74 and 309,977,220.82

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Solution

The fourth proportional to 570,737,604.82, 787,621,925.74 and 309,977,220.82 is: 427,770,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,737,604.82 : 787,621,925.74 = 309,977,220.82 : x
  2. Step 2: Convert to fraction form
    570,737,604.82/787,621,925.74 = 309,977,220.82/x
  3. Step 3: Cross multiply
    570,737,604.82x = 787,621,925.74 × 309,977,220.82
  4. Step 4: Simplify right side
    570,737,604.82x = 244,144,855,596,231,744
  5. Step 5: Solve for x
    x = 244,144,855,596,231,744/570,737,604.82
  6. Step 6: Final answer
    x = 427,770,754.08

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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.