Home / 313,350,060.40-470,025,090.60-306,979,961.20

Finding the Fourth Proportional to 313,350,060.40, 470,025,090.60 and 306,979,961.20

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Solution

The fourth proportional to 313,350,060.40, 470,025,090.60 and 306,979,961.20 is: 460,469,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,350,060.40 : 470,025,090.60 = 306,979,961.20 : x
  2. Step 2: Convert to fraction form
    313,350,060.40/470,025,090.60 = 306,979,961.20/x
  3. Step 3: Cross multiply
    313,350,060.40x = 470,025,090.60 × 306,979,961.20
  4. Step 4: Simplify right side
    313,350,060.40x = 144,288,284,075,414,496
  5. Step 5: Solve for x
    x = 144,288,284,075,414,496/313,350,060.40
  6. Step 6: Final answer
    x = 460,469,941.80

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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.