Home / 524,649,690.22-723,755,066.64-312,807,116.20

Finding the Fourth Proportional to 524,649,690.22, 723,755,066.64 and 312,807,116.20

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Solution

The fourth proportional to 524,649,690.22, 723,755,066.64 and 312,807,116.20 is: 431,517,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,649,690.22 : 723,755,066.64 = 312,807,116.20 : x
  2. Step 2: Convert to fraction form
    524,649,690.22/723,755,066.64 = 312,807,116.20/x
  3. Step 3: Cross multiply
    524,649,690.22x = 723,755,066.64 × 312,807,116.20
  4. Step 4: Simplify right side
    524,649,690.22x = 226,395,735,230,797,216
  5. Step 5: Solve for x
    x = 226,395,735,230,797,216/524,649,690.22
  6. Step 6: Final answer
    x = 431,517,905.09

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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.