Home / 570,737,604.07-787,621,924.70-309,977,220.07

Finding the Fourth Proportional to 570,737,604.07, 787,621,924.70 and 309,977,220.07

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Solution

The fourth proportional to 570,737,604.07, 787,621,924.70 and 309,977,220.07 is: 427,770,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,737,604.07 : 787,621,924.70 = 309,977,220.07 : x
  2. Step 2: Convert to fraction form
    570,737,604.07/787,621,924.70 = 309,977,220.07/x
  3. Step 3: Cross multiply
    570,737,604.07x = 787,621,924.70 × 309,977,220.07
  4. Step 4: Simplify right side
    570,737,604.07x = 244,144,854,684,688,864
  5. Step 5: Solve for x
    x = 244,144,854,684,688,864/570,737,604.07
  6. Step 6: Final answer
    x = 427,770,753.05

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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.