Home / 647,381,426.87-893,468,192.43-424,550,577.53

Finding the Fourth Proportional to 647,381,426.87, 893,468,192.43 and 424,550,577.53

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Solution

The fourth proportional to 647,381,426.87, 893,468,192.43 and 424,550,577.53 is: 585,933,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,381,426.87 : 893,468,192.43 = 424,550,577.53 : x
  2. Step 2: Convert to fraction form
    647,381,426.87/893,468,192.43 = 424,550,577.53/x
  3. Step 3: Cross multiply
    647,381,426.87x = 893,468,192.43 × 424,550,577.53
  4. Step 4: Simplify right side
    647,381,426.87x = 379,322,437,094,251,520
  5. Step 5: Solve for x
    x = 379,322,437,094,251,520/647,381,426.87
  6. Step 6: Final answer
    x = 585,933,456.46

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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.