Home / 618,827,731.64-854,204,401.39-367,931,524.93

Finding the Fourth Proportional to 618,827,731.64, 854,204,401.39 and 367,931,524.93

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Solution

The fourth proportional to 618,827,731.64, 854,204,401.39 and 367,931,524.93 is: 507,877,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,827,731.64 : 854,204,401.39 = 367,931,524.93 : x
  2. Step 2: Convert to fraction form
    618,827,731.64/854,204,401.39 = 367,931,524.93/x
  3. Step 3: Cross multiply
    618,827,731.64x = 854,204,401.39 × 367,931,524.93
  4. Step 4: Simplify right side
    618,827,731.64x = 314,288,728,004,420,736
  5. Step 5: Solve for x
    x = 314,288,728,004,420,736/618,827,731.64
  6. Step 6: Final answer
    x = 507,877,575.51

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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.