Home / 519,780,243.60-779,145,415.92-325,827,606.60

Finding the Fourth Proportional to 519,780,243.60, 779,145,415.92 and 325,827,606.60

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Solution

The fourth proportional to 519,780,243.60, 779,145,415.92 and 325,827,606.60 is: 488,412,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,780,243.60 : 779,145,415.92 = 325,827,606.60 : x
  2. Step 2: Convert to fraction form
    519,780,243.60/779,145,415.92 = 325,827,606.60/x
  3. Step 3: Cross multiply
    519,780,243.60x = 779,145,415.92 × 325,827,606.60
  4. Step 4: Simplify right side
    519,780,243.60x = 253,867,086,062,575,136
  5. Step 5: Solve for x
    x = 253,867,086,062,575,136/519,780,243.60
  6. Step 6: Final answer
    x = 488,412,341.92

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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.