Home / 486,094,624.36-729,140,277.66-198,880,288.36

Finding the Fourth Proportional to 486,094,624.36, 729,140,277.66 and 198,880,288.36

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Solution

The fourth proportional to 486,094,624.36, 729,140,277.66 and 198,880,288.36 is: 298,319,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,094,624.36 : 729,140,277.66 = 198,880,288.36 : x
  2. Step 2: Convert to fraction form
    486,094,624.36/729,140,277.66 = 198,880,288.36/x
  3. Step 3: Cross multiply
    486,094,624.36x = 729,140,277.66 × 198,880,288.36
  4. Step 4: Simplify right side
    486,094,624.36x = 145,011,628,675,911,264
  5. Step 5: Solve for x
    x = 145,011,628,675,911,264/486,094,624.36
  6. Step 6: Final answer
    x = 298,319,753.83

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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.