Home / 316,388,078,889.12-436,464,694,267.92-230,565,031,270.56

Finding the Fourth Proportional to 316,388,078,889.12, 436,464,694,267.92 and 230,565,031,270.56

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Solution

The fourth proportional to 316,388,078,889.12, 436,464,694,267.92 and 230,565,031,270.56 is: 318,069,809,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,388,078,889.12 : 436,464,694,267.92 = 230,565,031,270.56 : x
  2. Step 2: Convert to fraction form
    316,388,078,889.12/436,464,694,267.92 = 230,565,031,270.56/x
  3. Step 3: Cross multiply
    316,388,078,889.12x = 436,464,694,267.92 × 230,565,031,270.56
  4. Step 4: Simplify right side
    316,388,078,889.12x = 100,633,495,882,378,371,923,968
  5. Step 5: Solve for x
    x = 100,633,495,882,378,371,923,968/316,388,078,889.12
  6. Step 6: Final answer
    x = 318,069,809,190.40

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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.