Home / 628,268,436.92-866,999,865.31-346,037,159.92

Finding the Fourth Proportional to 628,268,436.92, 866,999,865.31 and 346,037,159.92

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Solution

The fourth proportional to 628,268,436.92, 866,999,865.31 and 346,037,159.92 is: 477,525,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,268,436.92 : 866,999,865.31 = 346,037,159.92 : x
  2. Step 2: Convert to fraction form
    628,268,436.92/866,999,865.31 = 346,037,159.92/x
  3. Step 3: Cross multiply
    628,268,436.92x = 866,999,865.31 × 346,037,159.92
  4. Step 4: Simplify right side
    628,268,436.92x = 300,014,171,041,509,632
  5. Step 5: Solve for x
    x = 300,014,171,041,509,632/628,268,436.92
  6. Step 6: Final answer
    x = 477,525,454.74

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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.