Home / 428,496,259.26-591,331,316.85-240,366,256.14

Finding the Fourth Proportional to 428,496,259.26, 591,331,316.85 and 240,366,256.14

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Solution

The fourth proportional to 428,496,259.26, 591,331,316.85 and 240,366,256.14 is: 331,709,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,496,259.26 : 591,331,316.85 = 240,366,256.14 : x
  2. Step 2: Convert to fraction form
    428,496,259.26/591,331,316.85 = 240,366,256.14/x
  3. Step 3: Cross multiply
    428,496,259.26x = 591,331,316.85 × 240,366,256.14
  4. Step 4: Simplify right side
    428,496,259.26x = 142,136,094,769,570,592
  5. Step 5: Solve for x
    x = 142,136,094,769,570,592/428,496,259.26
  6. Step 6: Final answer
    x = 331,709,067.93

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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.