Home / 750,216,015.34-1,125,221,867.20-197,472,156.39

Finding the Fourth Proportional to 750,216,015.34, 1,125,221,867.20 and 197,472,156.39

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Solution

The fourth proportional to 750,216,015.34, 1,125,221,867.20 and 197,472,156.39 is: 296,181,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,216,015.34 : 1,125,221,867.20 = 197,472,156.39 : x
  2. Step 2: Convert to fraction form
    750,216,015.34/1,125,221,867.20 = 197,472,156.39/x
  3. Step 3: Cross multiply
    750,216,015.34x = 1,125,221,867.20 × 197,472,156.39
  4. Step 4: Simplify right side
    750,216,015.34x = 222,199,988,533,166,208
  5. Step 5: Solve for x
    x = 222,199,988,533,166,208/750,216,015.34
  6. Step 6: Final answer
    x = 296,181,345.09

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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.