Home / 358,952,511.80-538,003,614.90-267,969,812.60

Finding the Fourth Proportional to 358,952,511.80, 538,003,614.90 and 267,969,812.60

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Solution

The fourth proportional to 358,952,511.80, 538,003,614.90 and 267,969,812.60 is: 401,637,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,952,511.80 : 538,003,614.90 = 267,969,812.60 : x
  2. Step 2: Convert to fraction form
    358,952,511.80/538,003,614.90 = 267,969,812.60/x
  3. Step 3: Cross multiply
    358,952,511.80x = 538,003,614.90 × 267,969,812.60
  4. Step 4: Simplify right side
    358,952,511.80x = 144,168,727,862,875,552
  5. Step 5: Solve for x
    x = 144,168,727,862,875,552/358,952,511.80
  6. Step 6: Final answer
    x = 401,637,328.40

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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.