Home / 289,014,856-398,789,049.84-163,566,462.40

Finding the Fourth Proportional to 289,014,856, 398,789,049.84 and 163,566,462.40

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Solution

The fourth proportional to 289,014,856, 398,789,049.84 and 163,566,462.40 is: 225,692,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,014,856 : 398,789,049.84 = 163,566,462.40 : x
  2. Step 2: Convert to fraction form
    289,014,856/398,789,049.84 = 163,566,462.40/x
  3. Step 3: Cross multiply
    289,014,856x = 398,789,049.84 × 163,566,462.40
  4. Step 4: Simplify right side
    289,014,856x = 65,228,514,126,186,088
  5. Step 5: Solve for x
    x = 65,228,514,126,186,088/289,014,856
  6. Step 6: Final answer
    x = 225,692,599.44

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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.