Home / 369,810,724.70-510,347,061.09-211,037,686.60

Finding the Fourth Proportional to 369,810,724.70, 510,347,061.09 and 211,037,686.60

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Solution

The fourth proportional to 369,810,724.70, 510,347,061.09 and 211,037,686.60 is: 291,236,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,810,724.70 : 510,347,061.09 = 211,037,686.60 : x
  2. Step 2: Convert to fraction form
    369,810,724.70/510,347,061.09 = 211,037,686.60/x
  3. Step 3: Cross multiply
    369,810,724.70x = 510,347,061.09 × 211,037,686.60
  4. Step 4: Simplify right side
    369,810,724.70x = 107,702,463,135,542,464
  5. Step 5: Solve for x
    x = 107,702,463,135,542,464/369,810,724.70
  6. Step 6: Final answer
    x = 291,236,721.77

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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.