Home / 358,952,500.80-538,003,598.40-267,969,801.60

Finding the Fourth Proportional to 358,952,500.80, 538,003,598.40 and 267,969,801.60

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Solution

The fourth proportional to 358,952,500.80, 538,003,598.40 and 267,969,801.60 is: 401,637,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,952,500.80 : 538,003,598.40 = 267,969,801.60 : x
  2. Step 2: Convert to fraction form
    358,952,500.80/538,003,598.40 = 267,969,801.60/x
  3. Step 3: Cross multiply
    358,952,500.80x = 538,003,598.40 × 267,969,801.60
  4. Step 4: Simplify right side
    358,952,500.80x = 144,168,717,523,334,080
  5. Step 5: Solve for x
    x = 144,168,717,523,334,080/358,952,500.80
  6. Step 6: Final answer
    x = 401,637,311.91

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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.