Home / 989,477,060.40-1,484,383,552.20-299,378,833.20

Finding the Fourth Proportional to 989,477,060.40, 1,484,383,552.20 and 299,378,833.20

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Solution

The fourth proportional to 989,477,060.40, 1,484,383,552.20 and 299,378,833.20 is: 449,119,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,477,060.40 : 1,484,383,552.20 = 299,378,833.20 : x
  2. Step 2: Convert to fraction form
    989,477,060.40/1,484,383,552.20 = 299,378,833.20/x
  3. Step 3: Cross multiply
    989,477,060.40x = 1,484,383,552.20 × 299,378,833.20
  4. Step 4: Simplify right side
    989,477,060.40x = 444,393,015,878,907,264
  5. Step 5: Solve for x
    x = 444,393,015,878,907,264/989,477,060.40
  6. Step 6: Final answer
    x = 449,119,068.71

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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.