Home / 342,360,683.86-513,873,106.73-165,222,484.71

Finding the Fourth Proportional to 342,360,683.86, 513,873,106.73 and 165,222,484.71

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Solution

The fourth proportional to 342,360,683.86, 513,873,106.73 and 165,222,484.71 is: 247,993,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360,683.86 : 513,873,106.73 = 165,222,484.71 : x
  2. Step 2: Convert to fraction form
    342,360,683.86/513,873,106.73 = 165,222,484.71/x
  3. Step 3: Cross multiply
    342,360,683.86x = 513,873,106.73 × 165,222,484.71
  4. Step 4: Simplify right side
    342,360,683.86x = 84,903,391,520,332,048
  5. Step 5: Solve for x
    x = 84,903,391,520,332,048/342,360,683.86
  6. Step 6: Final answer
    x = 247,993,988.57

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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.