Home / 629,864,492.40-944,796,738.60-319,928,101.20

Finding the Fourth Proportional to 629,864,492.40, 944,796,738.60 and 319,928,101.20

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Solution

The fourth proportional to 629,864,492.40, 944,796,738.60 and 319,928,101.20 is: 479,892,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,864,492.40 : 944,796,738.60 = 319,928,101.20 : x
  2. Step 2: Convert to fraction form
    629,864,492.40/944,796,738.60 = 319,928,101.20/x
  3. Step 3: Cross multiply
    629,864,492.40x = 944,796,738.60 × 319,928,101.20
  4. Step 4: Simplify right side
    629,864,492.40x = 302,267,026,600,250,752
  5. Step 5: Solve for x
    x = 302,267,026,600,250,752/629,864,492.40
  6. Step 6: Final answer
    x = 479,892,151.80

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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.