Home / 814,301,052.15-1,221,864,108.21-371,594,671.85

Finding the Fourth Proportional to 814,301,052.15, 1,221,864,108.21 and 371,594,671.85

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Solution

The fourth proportional to 814,301,052.15, 1,221,864,108.21 and 371,594,671.85 is: 557,580,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,301,052.15 : 1,221,864,108.21 = 371,594,671.85 : x
  2. Step 2: Convert to fraction form
    814,301,052.15/1,221,864,108.21 = 371,594,671.85/x
  3. Step 3: Cross multiply
    814,301,052.15x = 1,221,864,108.21 × 371,594,671.85
  4. Step 4: Simplify right side
    814,301,052.15x = 454,038,192,341,950,976
  5. Step 5: Solve for x
    x = 454,038,192,341,950,976/814,301,052.15
  6. Step 6: Final answer
    x = 557,580,259.96

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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.