Home / 505,009,098.40-697,393,861.68-477,496,586.56

Finding the Fourth Proportional to 505,009,098.40, 697,393,861.68 and 477,496,586.56

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Solution

The fourth proportional to 505,009,098.40, 697,393,861.68 and 477,496,586.56 is: 659,400,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,009,098.40 : 697,393,861.68 = 477,496,586.56 : x
  2. Step 2: Convert to fraction form
    505,009,098.40/697,393,861.68 = 477,496,586.56/x
  3. Step 3: Cross multiply
    505,009,098.40x = 697,393,861.68 × 477,496,586.56
  4. Step 4: Simplify right side
    505,009,098.40x = 333,003,188,440,096,768
  5. Step 5: Solve for x
    x = 333,003,188,440,096,768/505,009,098.40
  6. Step 6: Final answer
    x = 659,400,374.16

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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.