Home / 628,122,528.94-941,747,485.02-278,177,903.32

Finding the Fourth Proportional to 628,122,528.94, 941,747,485.02 and 278,177,903.32

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Solution

The fourth proportional to 628,122,528.94, 941,747,485.02 and 278,177,903.32 is: 417,073,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,122,528.94 : 941,747,485.02 = 278,177,903.32 : x
  2. Step 2: Convert to fraction form
    628,122,528.94/941,747,485.02 = 278,177,903.32/x
  3. Step 3: Cross multiply
    628,122,528.94x = 941,747,485.02 × 278,177,903.32
  4. Step 4: Simplify right side
    628,122,528.94x = 261,973,340,839,746,688
  5. Step 5: Solve for x
    x = 261,973,340,839,746,688/628,122,528.94
  6. Step 6: Final answer
    x = 417,073,626.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.