Home / 286,941,831,265.73-395,977,373,894.90-156,730,768,893.56

Finding the Fourth Proportional to 286,941,831,265.73, 395,977,373,894.90 and 156,730,768,893.56

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Solution

The fourth proportional to 286,941,831,265.73, 395,977,373,894.90 and 156,730,768,893.56 is: 216,287,175,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,941,831,265.73 : 395,977,373,894.90 = 156,730,768,893.56 : x
  2. Step 2: Convert to fraction form
    286,941,831,265.73/395,977,373,894.90 = 156,730,768,893.56/x
  3. Step 3: Cross multiply
    286,941,831,265.73x = 395,977,373,894.90 × 156,730,768,893.56
  4. Step 4: Simplify right side
    286,941,831,265.73x = 62,061,838,275,000,374,657,024
  5. Step 5: Solve for x
    x = 62,061,838,275,000,374,657,024/286,941,831,265.73
  6. Step 6: Final answer
    x = 216,287,175,701.22

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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.