Home / 384,335,061.24-530,420,322.06-219,347,314.68

Finding the Fourth Proportional to 384,335,061.24, 530,420,322.06 and 219,347,314.68

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Solution

The fourth proportional to 384,335,061.24, 530,420,322.06 and 219,347,314.68 is: 302,720,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,335,061.24 : 530,420,322.06 = 219,347,314.68 : x
  2. Step 2: Convert to fraction form
    384,335,061.24/530,420,322.06 = 219,347,314.68/x
  3. Step 3: Cross multiply
    384,335,061.24x = 530,420,322.06 × 219,347,314.68
  4. Step 4: Simplify right side
    384,335,061.24x = 116,346,273,295,561,776
  5. Step 5: Solve for x
    x = 116,346,273,295,561,776/384,335,061.24
  6. Step 6: Final answer
    x = 302,720,945.94

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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.