Home / 286,941,831,262.22-395,977,373,890.06-156,730,768,890.06

Finding the Fourth Proportional to 286,941,831,262.22, 395,977,373,890.06 and 156,730,768,890.06

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Solution

The fourth proportional to 286,941,831,262.22, 395,977,373,890.06 and 156,730,768,890.06 is: 216,287,175,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,941,831,262.22 : 395,977,373,890.06 = 156,730,768,890.06 : x
  2. Step 2: Convert to fraction form
    286,941,831,262.22/395,977,373,890.06 = 156,730,768,890.06/x
  3. Step 3: Cross multiply
    286,941,831,262.22x = 395,977,373,890.06 × 156,730,768,890.06
  4. Step 4: Simplify right side
    286,941,831,262.22x = 62,061,838,272,855,868,964,864
  5. Step 5: Solve for x
    x = 62,061,838,272,855,868,964,864/286,941,831,262.22
  6. Step 6: Final answer
    x = 216,287,175,696.39

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Double scale
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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.