Home / 629,871,904.80-944,807,857.20-199,050,400.80

Finding the Fourth Proportional to 629,871,904.80, 944,807,857.20 and 199,050,400.80

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Solution

The fourth proportional to 629,871,904.80, 944,807,857.20 and 199,050,400.80 is: 298,575,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,871,904.80 : 944,807,857.20 = 199,050,400.80 : x
  2. Step 2: Convert to fraction form
    629,871,904.80/944,807,857.20 = 199,050,400.80/x
  3. Step 3: Cross multiply
    629,871,904.80x = 944,807,857.20 × 199,050,400.80
  4. Step 4: Simplify right side
    629,871,904.80x = 188,064,382,654,649,184
  5. Step 5: Solve for x
    x = 188,064,382,654,649,184/629,871,904.80
  6. Step 6: Final answer
    x = 298,575,601.20

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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.