Home / 570,737,603.07-787,621,923.32-309,977,219.07

Finding the Fourth Proportional to 570,737,603.07, 787,621,923.32 and 309,977,219.07

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Solution

The fourth proportional to 570,737,603.07, 787,621,923.32 and 309,977,219.07 is: 427,770,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,737,603.07 : 787,621,923.32 = 309,977,219.07 : x
  2. Step 2: Convert to fraction form
    570,737,603.07/787,621,923.32 = 309,977,219.07/x
  3. Step 3: Cross multiply
    570,737,603.07x = 787,621,923.32 × 309,977,219.07
  4. Step 4: Simplify right side
    570,737,603.07x = 244,144,853,467,748,512
  5. Step 5: Solve for x
    x = 244,144,853,467,748,512/570,737,603.07
  6. Step 6: Final answer
    x = 427,770,751.66

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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.