Home / 498,227,016.45-687,574,170.77-286,534,012.44

Finding the Fourth Proportional to 498,227,016.45, 687,574,170.77 and 286,534,012.44

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Solution

The fourth proportional to 498,227,016.45, 687,574,170.77 and 286,534,012.44 is: 395,428,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,227,016.45 : 687,574,170.77 = 286,534,012.44 : x
  2. Step 2: Convert to fraction form
    498,227,016.45/687,574,170.77 = 286,534,012.44/x
  3. Step 3: Cross multiply
    498,227,016.45x = 687,574,170.77 × 286,534,012.44
  4. Step 4: Simplify right side
    498,227,016.45x = 197,013,385,999,401,184
  5. Step 5: Solve for x
    x = 197,013,385,999,401,184/498,227,016.45
  6. Step 6: Final answer
    x = 395,428,950.05

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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.