Home / 401,627,349.60-602,525,005.20-129,025,672.80

Finding the Fourth Proportional to 401,627,349.60, 602,525,005.20 and 129,025,672.80

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Solution

The fourth proportional to 401,627,349.60, 602,525,005.20 and 129,025,672.80 is: 193,565,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,627,349.60 : 602,525,005.20 = 129,025,672.80 : x
  2. Step 2: Convert to fraction form
    401,627,349.60/602,525,005.20 = 129,025,672.80/x
  3. Step 3: Cross multiply
    401,627,349.60x = 602,525,005.20 × 129,025,672.80
  4. Step 4: Simplify right side
    401,627,349.60x = 77,741,194,174,753,504
  5. Step 5: Solve for x
    x = 77,741,194,174,753,504/401,627,349.60
  6. Step 6: Final answer
    x = 193,565,488.64

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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.