Home / 486,494,230,151.50-729,230,518,129.95-163,684,972,872.86

Finding the Fourth Proportional to 486,494,230,151.50, 729,230,518,129.95 and 163,684,972,872.86

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Solution

The fourth proportional to 486,494,230,151.50, 729,230,518,129.95 and 163,684,972,872.86 is: 245,355,587,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,494,230,151.50 : 729,230,518,129.95 = 163,684,972,872.86 : x
  2. Step 2: Convert to fraction form
    486,494,230,151.50/729,230,518,129.95 = 163,684,972,872.86/x
  3. Step 3: Cross multiply
    486,494,230,151.50x = 729,230,518,129.95 × 163,684,972,872.86
  4. Step 4: Simplify right side
    486,494,230,151.50x = 119,364,077,578,162,488,213,504
  5. Step 5: Solve for x
    x = 119,364,077,578,162,488,213,504/486,494,230,151.50
  6. Step 6: Final answer
    x = 245,355,587,343.74

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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.