Home / 570,737,607.56-787,621,929.52-309,977,223.56

Finding the Fourth Proportional to 570,737,607.56, 787,621,929.52 and 309,977,223.56

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Solution

The fourth proportional to 570,737,607.56, 787,621,929.52 and 309,977,223.56 is: 427,770,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,737,607.56 : 787,621,929.52 = 309,977,223.56 : x
  2. Step 2: Convert to fraction form
    570,737,607.56/787,621,929.52 = 309,977,223.56/x
  3. Step 3: Cross multiply
    570,737,607.56x = 787,621,929.52 × 309,977,223.56
  4. Step 4: Simplify right side
    570,737,607.56x = 244,144,858,927,579,584
  5. Step 5: Solve for x
    x = 244,144,858,927,579,584/570,737,607.56
  6. Step 6: Final answer
    x = 427,770,757.86

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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.