Home / 1,172,578,148.80-1,760,602,826.40-656,040,241.60

Finding the Fourth Proportional to 1,172,578,148.80, 1,760,602,826.40 and 656,040,241.60

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Solution

The fourth proportional to 1,172,578,148.80, 1,760,602,826.40 and 656,040,241.60 is: 985,031,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,578,148.80 : 1,760,602,826.40 = 656,040,241.60 : x
  2. Step 2: Convert to fraction form
    1,172,578,148.80/1,760,602,826.40 = 656,040,241.60/x
  3. Step 3: Cross multiply
    1,172,578,148.80x = 1,760,602,826.40 × 656,040,241.60
  4. Step 4: Simplify right side
    1,172,578,148.80x = 1,155,026,303,593,099,008
  5. Step 5: Solve for x
    x = 1,155,026,303,593,099,008/1,172,578,148.80
  6. Step 6: Final answer
    x = 985,031,406.88

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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.