Home / 505,009,088.40-697,393,847.88-477,496,576.56

Finding the Fourth Proportional to 505,009,088.40, 697,393,847.88 and 477,496,576.56

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Solution

The fourth proportional to 505,009,088.40, 697,393,847.88 and 477,496,576.56 is: 659,400,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,009,088.40 : 697,393,847.88 = 477,496,576.56 : x
  2. Step 2: Convert to fraction form
    505,009,088.40/697,393,847.88 = 477,496,576.56/x
  3. Step 3: Cross multiply
    505,009,088.40x = 697,393,847.88 × 477,496,576.56
  4. Step 4: Simplify right side
    505,009,088.40x = 333,003,174,876,705,408
  5. Step 5: Solve for x
    x = 333,003,174,876,705,408/505,009,088.40
  6. Step 6: Final answer
    x = 659,400,360.36

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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.