Home / 628,470,533.80-867,255,236.94-346,158,052.12

Finding the Fourth Proportional to 628,470,533.80, 867,255,236.94 and 346,158,052.12

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Solution

The fourth proportional to 628,470,533.80, 867,255,236.94 and 346,158,052.12 is: 477,679,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,470,533.80 : 867,255,236.94 = 346,158,052.12 : x
  2. Step 2: Convert to fraction form
    628,470,533.80/867,255,236.94 = 346,158,052.12/x
  3. Step 3: Cross multiply
    628,470,533.80x = 867,255,236.94 × 346,158,052.12
  4. Step 4: Simplify right side
    628,470,533.80x = 300,207,383,510,019,520
  5. Step 5: Solve for x
    x = 300,207,383,510,019,520/628,470,533.80
  6. Step 6: Final answer
    x = 477,679,330.00

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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.