Home / 544,145,502.57-816,134,117.52-199,018,421.61

Finding the Fourth Proportional to 544,145,502.57, 816,134,117.52 and 199,018,421.61

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Solution

The fourth proportional to 544,145,502.57, 816,134,117.52 and 199,018,421.61 is: 298,496,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,145,502.57 : 816,134,117.52 = 199,018,421.61 : x
  2. Step 2: Convert to fraction form
    544,145,502.57/816,134,117.52 = 199,018,421.61/x
  3. Step 3: Cross multiply
    544,145,502.57x = 816,134,117.52 × 199,018,421.61
  4. Step 4: Simplify right side
    544,145,502.57x = 162,425,723,890,900,640
  5. Step 5: Solve for x
    x = 162,425,723,890,900,640/544,145,502.57
  6. Step 6: Final answer
    x = 298,496,859.98

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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.