Home / 455,118,394.97-628,064,476.80-246,276,778.61

Finding the Fourth Proportional to 455,118,394.97, 628,064,476.80 and 246,276,778.61

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Solution

The fourth proportional to 455,118,394.97, 628,064,476.80 and 246,276,778.61 is: 339,862,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,118,394.97 : 628,064,476.80 = 246,276,778.61 : x
  2. Step 2: Convert to fraction form
    455,118,394.97/628,064,476.80 = 246,276,778.61/x
  3. Step 3: Cross multiply
    455,118,394.97x = 628,064,476.80 × 246,276,778.61
  4. Step 4: Simplify right side
    455,118,394.97x = 154,677,696,104,877,024
  5. Step 5: Solve for x
    x = 154,677,696,104,877,024/455,118,394.97
  6. Step 6: Final answer
    x = 339,862,545.25

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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.