Home / 647,381,428.87-893,468,195.19-424,550,579.53

Finding the Fourth Proportional to 647,381,428.87, 893,468,195.19 and 424,550,579.53

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Solution

The fourth proportional to 647,381,428.87, 893,468,195.19 and 424,550,579.53 is: 585,933,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,381,428.87 : 893,468,195.19 = 424,550,579.53 : x
  2. Step 2: Convert to fraction form
    647,381,428.87/893,468,195.19 = 424,550,579.53/x
  3. Step 3: Cross multiply
    647,381,428.87x = 893,468,195.19 × 424,550,579.53
  4. Step 4: Simplify right side
    647,381,428.87x = 379,322,440,059,537,664
  5. Step 5: Solve for x
    x = 379,322,440,059,537,664/647,381,428.87
  6. Step 6: Final answer
    x = 585,933,459.23

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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.