Home / 315,887,610.28-474,036,016.62-170,421,579.76

Finding the Fourth Proportional to 315,887,610.28, 474,036,016.62 and 170,421,579.76

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Solution

The fourth proportional to 315,887,610.28, 474,036,016.62 and 170,421,579.76 is: 255,742,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,887,610.28 : 474,036,016.62 = 170,421,579.76 : x
  2. Step 2: Convert to fraction form
    315,887,610.28/474,036,016.62 = 170,421,579.76/x
  3. Step 3: Cross multiply
    315,887,610.28x = 474,036,016.62 × 170,421,579.76
  4. Step 4: Simplify right side
    315,887,610.28x = 80,785,966,815,518,016
  5. Step 5: Solve for x
    x = 80,785,966,815,518,016/315,887,610.28
  6. Step 6: Final answer
    x = 255,742,752.13

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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.