Home / 897,947,218.20-1,347,646,277.70-380,740,832.58

Finding the Fourth Proportional to 897,947,218.20, 1,347,646,277.70 and 380,740,832.58

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Solution

The fourth proportional to 897,947,218.20, 1,347,646,277.70 and 380,740,832.58 is: 571,418,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,947,218.20 : 1,347,646,277.70 = 380,740,832.58 : x
  2. Step 2: Convert to fraction form
    897,947,218.20/1,347,646,277.70 = 380,740,832.58/x
  3. Step 3: Cross multiply
    897,947,218.20x = 1,347,646,277.70 × 380,740,832.58
  4. Step 4: Simplify right side
    897,947,218.20x = 513,103,965,794,835,904
  5. Step 5: Solve for x
    x = 513,103,965,794,835,904/897,947,218.20
  6. Step 6: Final answer
    x = 571,418,848.90

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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.