Home / 321,300,080,582.32-481,420,561,949.67-186,616,495,372.95

Finding the Fourth Proportional to 321,300,080,582.32, 481,420,561,949.67 and 186,616,495,372.95

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Solution

The fourth proportional to 321,300,080,582.32, 481,420,561,949.67 and 186,616,495,372.95 is: 279,617,166,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,300,080,582.32 : 481,420,561,949.67 = 186,616,495,372.95 : x
  2. Step 2: Convert to fraction form
    321,300,080,582.32/481,420,561,949.67 = 186,616,495,372.95/x
  3. Step 3: Cross multiply
    321,300,080,582.32x = 481,420,561,949.67 × 186,616,495,372.95
  4. Step 4: Simplify right side
    321,300,080,582.32x = 89,841,018,071,523,585,425,408
  5. Step 5: Solve for x
    x = 89,841,018,071,523,585,425,408/321,300,080,582.32
  6. Step 6: Final answer
    x = 279,617,166,322.20

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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.