Home / 478,808,268.06-660,755,693.30-267,115,099.39

Finding the Fourth Proportional to 478,808,268.06, 660,755,693.30 and 267,115,099.39

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Solution

The fourth proportional to 478,808,268.06, 660,755,693.30 and 267,115,099.39 is: 368,618,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,808,268.06 : 660,755,693.30 = 267,115,099.39 : x
  2. Step 2: Convert to fraction form
    478,808,268.06/660,755,693.30 = 267,115,099.39/x
  3. Step 3: Cross multiply
    478,808,268.06x = 660,755,693.30 × 267,115,099.39
  4. Step 4: Simplify right side
    478,808,268.06x = 176,497,822,688,337,824
  5. Step 5: Solve for x
    x = 176,497,822,688,337,824/478,808,268.06
  6. Step 6: Final answer
    x = 368,618,995.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.