Home / 436,627,896.80-654,941,845.20-400,915,061.60

Finding the Fourth Proportional to 436,627,896.80, 654,941,845.20 and 400,915,061.60

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Solution

The fourth proportional to 436,627,896.80, 654,941,845.20 and 400,915,061.60 is: 601,372,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,627,896.80 : 654,941,845.20 = 400,915,061.60 : x
  2. Step 2: Convert to fraction form
    436,627,896.80/654,941,845.20 = 400,915,061.60/x
  3. Step 3: Cross multiply
    436,627,896.80x = 654,941,845.20 × 400,915,061.60
  4. Step 4: Simplify right side
    436,627,896.80x = 262,576,050,212,775,712
  5. Step 5: Solve for x
    x = 262,576,050,212,775,712/436,627,896.80
  6. Step 6: Final answer
    x = 601,372,592.40

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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.