Home / 454,922,982,012.72-627,813,449,408.74-251,926,752,666.98

Finding the Fourth Proportional to 454,922,982,012.72, 627,813,449,408.74 and 251,926,752,666.98

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Solution

The fourth proportional to 454,922,982,012.72, 627,813,449,408.74 and 251,926,752,666.98 is: 347,669,847,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,922,982,012.72 : 627,813,449,408.74 = 251,926,752,666.98 : x
  2. Step 2: Convert to fraction form
    454,922,982,012.72/627,813,449,408.74 = 251,926,752,666.98/x
  3. Step 3: Cross multiply
    454,922,982,012.72x = 627,813,449,408.74 × 251,926,752,666.98
  4. Step 4: Simplify right side
    454,922,982,012.72x = 158,163,003,590,199,209,885,696
  5. Step 5: Solve for x
    x = 158,163,003,590,199,209,885,696/454,922,982,012.72
  6. Step 6: Final answer
    x = 347,669,847,081.45

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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.