Home / 280,122,788.52-386,602,237.80-232,996,719.60

Finding the Fourth Proportional to 280,122,788.52, 386,602,237.80 and 232,996,719.60

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Solution

The fourth proportional to 280,122,788.52, 386,602,237.80 and 232,996,719.60 is: 321,562,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,122,788.52 : 386,602,237.80 = 232,996,719.60 : x
  2. Step 2: Convert to fraction form
    280,122,788.52/386,602,237.80 = 232,996,719.60/x
  3. Step 3: Cross multiply
    280,122,788.52x = 386,602,237.80 × 232,996,719.60
  4. Step 4: Simplify right side
    280,122,788.52x = 90,077,053,197,419,120
  5. Step 5: Solve for x
    x = 90,077,053,197,419,120/280,122,788.52
  6. Step 6: Final answer
    x = 321,562,746.37

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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.