Home / 372,066,198-513,500,245.56-213,358,429.20

Finding the Fourth Proportional to 372,066,198, 513,500,245.56 and 213,358,429.20

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Solution

The fourth proportional to 372,066,198, 513,500,245.56 and 213,358,429.20 is: 294,462,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,066,198 : 513,500,245.56 = 213,358,429.20 : x
  2. Step 2: Convert to fraction form
    372,066,198/513,500,245.56 = 213,358,429.20/x
  3. Step 3: Cross multiply
    372,066,198x = 513,500,245.56 × 213,358,429.20
  4. Step 4: Simplify right side
    372,066,198x = 109,559,605,786,495,872
  5. Step 5: Solve for x
    x = 109,559,605,786,495,872/372,066,198
  6. Step 6: Final answer
    x = 294,462,669.21

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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.