Home / 286,941,831,264.73-395,977,373,893.52-156,730,768,892.56

Finding the Fourth Proportional to 286,941,831,264.73, 395,977,373,893.52 and 156,730,768,892.56

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Solution

The fourth proportional to 286,941,831,264.73, 395,977,373,893.52 and 156,730,768,892.56 is: 216,287,175,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,941,831,264.73 : 395,977,373,893.52 = 156,730,768,892.56 : x
  2. Step 2: Convert to fraction form
    286,941,831,264.73/395,977,373,893.52 = 156,730,768,892.56/x
  3. Step 3: Cross multiply
    286,941,831,264.73x = 395,977,373,893.52 × 156,730,768,892.56
  4. Step 4: Simplify right side
    286,941,831,264.73x = 62,061,838,274,388,106,936,320
  5. Step 5: Solve for x
    x = 62,061,838,274,388,106,936,320/286,941,831,264.73
  6. Step 6: Final answer
    x = 216,287,175,699.84

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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.