Home / 875,395,543.49-1,313,091,696.20-285,185,078.54

Finding the Fourth Proportional to 875,395,543.49, 1,313,091,696.20 and 285,185,078.54

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Solution

The fourth proportional to 875,395,543.49, 1,313,091,696.20 and 285,185,078.54 is: 427,777,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,395,543.49 : 1,313,091,696.20 = 285,185,078.54 : x
  2. Step 2: Convert to fraction form
    875,395,543.49/1,313,091,696.20 = 285,185,078.54/x
  3. Step 3: Cross multiply
    875,395,543.49x = 1,313,091,696.20 × 285,185,078.54
  4. Step 4: Simplify right side
    875,395,543.49x = 374,474,158,507,938,368
  5. Step 5: Solve for x
    x = 374,474,158,507,938,368/875,395,543.49
  6. Step 6: Final answer
    x = 427,777,090.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.