Home / 477,733,883.16-658,933,148.47-318,883,913.94

Finding the Fourth Proportional to 477,733,883.16, 658,933,148.47 and 318,883,913.94

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Solution

The fourth proportional to 477,733,883.16, 658,933,148.47 and 318,883,913.94 is: 439,833,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,733,883.16 : 658,933,148.47 = 318,883,913.94 : x
  2. Step 2: Convert to fraction form
    477,733,883.16/658,933,148.47 = 318,883,913.94/x
  3. Step 3: Cross multiply
    477,733,883.16x = 658,933,148.47 × 318,883,913.94
  4. Step 4: Simplify right side
    477,733,883.16x = 210,123,181,410,288,384
  5. Step 5: Solve for x
    x = 210,123,181,410,288,384/477,733,883.16
  6. Step 6: Final answer
    x = 439,833,113.82

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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.