Home / 358,952,509.80-538,003,611.90-267,969,810.60

Finding the Fourth Proportional to 358,952,509.80, 538,003,611.90 and 267,969,810.60

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Solution

The fourth proportional to 358,952,509.80, 538,003,611.90 and 267,969,810.60 is: 401,637,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,952,509.80 : 538,003,611.90 = 267,969,810.60 : x
  2. Step 2: Convert to fraction form
    358,952,509.80/538,003,611.90 = 267,969,810.60/x
  3. Step 3: Cross multiply
    358,952,509.80x = 538,003,611.90 × 267,969,810.60
  4. Step 4: Simplify right side
    358,952,509.80x = 144,168,725,982,958,912
  5. Step 5: Solve for x
    x = 144,168,725,982,958,912/358,952,509.80
  6. Step 6: Final answer
    x = 401,637,325.40

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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.