Home / 406,295,998.20-609,443,997.30-292,355,047.80

Finding the Fourth Proportional to 406,295,998.20, 609,443,997.30 and 292,355,047.80

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Solution

The fourth proportional to 406,295,998.20, 609,443,997.30 and 292,355,047.80 is: 438,532,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,295,998.20 : 609,443,997.30 = 292,355,047.80 : x
  2. Step 2: Convert to fraction form
    406,295,998.20/609,443,997.30 = 292,355,047.80/x
  3. Step 3: Cross multiply
    406,295,998.20x = 609,443,997.30 × 292,355,047.80
  4. Step 4: Simplify right side
    406,295,998.20x = 178,174,028,962,064,576
  5. Step 5: Solve for x
    x = 178,174,028,962,064,576/406,295,998.20
  6. Step 6: Final answer
    x = 438,532,571.70

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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.