Home / 457,086,509.96-630,818,285.52-258,883,263.56

Finding the Fourth Proportional to 457,086,509.96, 630,818,285.52 and 258,883,263.56

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Solution

The fourth proportional to 457,086,509.96, 630,818,285.52 and 258,883,263.56 is: 357,280,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,086,509.96 : 630,818,285.52 = 258,883,263.56 : x
  2. Step 2: Convert to fraction form
    457,086,509.96/630,818,285.52 = 258,883,263.56/x
  3. Step 3: Cross multiply
    457,086,509.96x = 630,818,285.52 × 258,883,263.56
  4. Step 4: Simplify right side
    457,086,509.96x = 163,308,296,468,741,504
  5. Step 5: Solve for x
    x = 163,308,296,468,741,504/457,086,509.96
  6. Step 6: Final answer
    x = 357,280,936.78

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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.