Home / 286,941,831,251-395,977,373,874.55-156,730,768,878.84

Finding the Fourth Proportional to 286,941,831,251, 395,977,373,874.55 and 156,730,768,878.84

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Solution

The fourth proportional to 286,941,831,251, 395,977,373,874.55 and 156,730,768,878.84 is: 216,287,175,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,941,831,251 : 395,977,373,874.55 = 156,730,768,878.84 : x
  2. Step 2: Convert to fraction form
    286,941,831,251/395,977,373,874.55 = 156,730,768,878.84/x
  3. Step 3: Cross multiply
    286,941,831,251x = 395,977,373,874.55 × 156,730,768,878.84
  4. Step 4: Simplify right side
    286,941,831,251x = 62,061,838,265,982,109,351,936
  5. Step 5: Solve for x
    x = 62,061,838,265,982,109,351,936/286,941,831,251
  6. Step 6: Final answer
    x = 216,287,175,680.89

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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.