Home / 413,975,328.96-571,288,648.16-228,341,357.76

Finding the Fourth Proportional to 413,975,328.96, 571,288,648.16 and 228,341,357.76

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Solution

The fourth proportional to 413,975,328.96, 571,288,648.16 and 228,341,357.76 is: 315,112,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,975,328.96 : 571,288,648.16 = 228,341,357.76 : x
  2. Step 2: Convert to fraction form
    413,975,328.96/571,288,648.16 = 228,341,357.76/x
  3. Step 3: Cross multiply
    413,975,328.96x = 571,288,648.16 × 228,341,357.76
  4. Step 4: Simplify right side
    413,975,328.96x = 130,448,825,593,729,312
  5. Step 5: Solve for x
    x = 130,448,825,593,729,312/413,975,328.96
  6. Step 6: Final answer
    x = 315,112,559.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.