Home / 318,733,237.85-439,847,397.15-177,610,406.33

Finding the Fourth Proportional to 318,733,237.85, 439,847,397.15 and 177,610,406.33

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Solution

The fourth proportional to 318,733,237.85, 439,847,397.15 and 177,610,406.33 is: 245,099,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,733,237.85 : 439,847,397.15 = 177,610,406.33 : x
  2. Step 2: Convert to fraction form
    318,733,237.85/439,847,397.15 = 177,610,406.33/x
  3. Step 3: Cross multiply
    318,733,237.85x = 439,847,397.15 × 177,610,406.33
  4. Step 4: Simplify right side
    318,733,237.85x = 78,121,474,931,004,384
  5. Step 5: Solve for x
    x = 78,121,474,931,004,384/318,733,237.85
  6. Step 6: Final answer
    x = 245,099,869.28

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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.