Home / 454,922,874,521.45-627,813,301,070.55-251,926,645,175.76

Finding the Fourth Proportional to 454,922,874,521.45, 627,813,301,070.55 and 251,926,645,175.76

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Solution

The fourth proportional to 454,922,874,521.45, 627,813,301,070.55 and 251,926,645,175.76 is: 347,669,698,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,922,874,521.45 : 627,813,301,070.55 = 251,926,645,175.76 : x
  2. Step 2: Convert to fraction form
    454,922,874,521.45/627,813,301,070.55 = 251,926,645,175.76/x
  3. Step 3: Cross multiply
    454,922,874,521.45x = 627,813,301,070.55 × 251,926,645,175.76
  4. Step 4: Simplify right side
    454,922,874,521.45x = 158,162,898,735,423,050,219,520
  5. Step 5: Solve for x
    x = 158,162,898,735,423,050,219,520/454,922,874,521.45
  6. Step 6: Final answer
    x = 347,669,698,741.35

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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.