Home / 275,592,741.40-413,389,112.10-258,586,629.40

Finding the Fourth Proportional to 275,592,741.40, 413,389,112.10 and 258,586,629.40

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Solution

The fourth proportional to 275,592,741.40, 413,389,112.10 and 258,586,629.40 is: 387,879,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,592,741.40 : 413,389,112.10 = 258,586,629.40 : x
  2. Step 2: Convert to fraction form
    275,592,741.40/413,389,112.10 = 258,586,629.40/x
  3. Step 3: Cross multiply
    275,592,741.40x = 413,389,112.10 × 258,586,629.40
  4. Step 4: Simplify right side
    275,592,741.40x = 106,896,897,128,597,760
  5. Step 5: Solve for x
    x = 106,896,897,128,597,760/275,592,741.40
  6. Step 6: Final answer
    x = 387,879,944.10

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1.5x scale

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.