Home / 629,871,784.80-944,807,677.20-199,050,280.80

Finding the Fourth Proportional to 629,871,784.80, 944,807,677.20 and 199,050,280.80

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Solution

The fourth proportional to 629,871,784.80, 944,807,677.20 and 199,050,280.80 is: 298,575,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,871,784.80 : 944,807,677.20 = 199,050,280.80 : x
  2. Step 2: Convert to fraction form
    629,871,784.80/944,807,677.20 = 199,050,280.80/x
  3. Step 3: Cross multiply
    629,871,784.80x = 944,807,677.20 × 199,050,280.80
  4. Step 4: Simplify right side
    629,871,784.80x = 188,064,233,448,655,776
  5. Step 5: Solve for x
    x = 188,064,233,448,655,776/629,871,784.80
  6. Step 6: Final answer
    x = 298,575,421.20

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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.