Home / 493,104,740.42-680,295,215.22-281,423,332.64

Finding the Fourth Proportional to 493,104,740.42, 680,295,215.22 and 281,423,332.64

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Solution

The fourth proportional to 493,104,740.42, 680,295,215.22 and 281,423,332.64 is: 388,256,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,104,740.42 : 680,295,215.22 = 281,423,332.64 : x
  2. Step 2: Convert to fraction form
    493,104,740.42/680,295,215.22 = 281,423,332.64/x
  3. Step 3: Cross multiply
    493,104,740.42x = 680,295,215.22 × 281,423,332.64
  4. Step 4: Simplify right side
    493,104,740.42x = 191,450,946,646,258,464
  5. Step 5: Solve for x
    x = 191,450,946,646,258,464/493,104,740.42
  6. Step 6: Final answer
    x = 388,256,147.13

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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.