Home / 347,760,455.70-521,640,683.55-245,723,783.70

Finding the Fourth Proportional to 347,760,455.70, 521,640,683.55 and 245,723,783.70

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Solution

The fourth proportional to 347,760,455.70, 521,640,683.55 and 245,723,783.70 is: 368,585,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,760,455.70 : 521,640,683.55 = 245,723,783.70 : x
  2. Step 2: Convert to fraction form
    347,760,455.70/521,640,683.55 = 245,723,783.70/x
  3. Step 3: Cross multiply
    347,760,455.70x = 521,640,683.55 × 245,723,783.70
  4. Step 4: Simplify right side
    347,760,455.70x = 128,179,522,493,760,352
  5. Step 5: Solve for x
    x = 128,179,522,493,760,352/347,760,455.70
  6. Step 6: Final answer
    x = 368,585,675.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.