Home / 387,082,457.80-580,623,686.70-356,177,523.40

Finding the Fourth Proportional to 387,082,457.80, 580,623,686.70 and 356,177,523.40

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Solution

The fourth proportional to 387,082,457.80, 580,623,686.70 and 356,177,523.40 is: 534,266,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,082,457.80 : 580,623,686.70 = 356,177,523.40 : x
  2. Step 2: Convert to fraction form
    387,082,457.80/580,623,686.70 = 356,177,523.40/x
  3. Step 3: Cross multiply
    387,082,457.80x = 580,623,686.70 × 356,177,523.40
  4. Step 4: Simplify right side
    387,082,457.80x = 206,805,106,756,183,520
  5. Step 5: Solve for x
    x = 206,805,106,756,183,520/387,082,457.80
  6. Step 6: Final answer
    x = 534,266,285.10

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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.