Home / 326,263,920.16-449,931,240-219,215,322.72

Finding the Fourth Proportional to 326,263,920.16, 449,931,240 and 219,215,322.72

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Solution

The fourth proportional to 326,263,920.16, 449,931,240 and 219,215,322.72 is: 302,306,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,263,920.16 : 449,931,240 = 219,215,322.72 : x
  2. Step 2: Convert to fraction form
    326,263,920.16/449,931,240 = 219,215,322.72/x
  3. Step 3: Cross multiply
    326,263,920.16x = 449,931,240 × 219,215,322.72
  4. Step 4: Simplify right side
    326,263,920.16x = 98,631,821,978,409,776
  5. Step 5: Solve for x
    x = 98,631,821,978,409,776/326,263,920.16
  6. Step 6: Final answer
    x = 302,306,862.28

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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.