Home / 449,262,863.40-674,020,266.30-190,601,999.40

Finding the Fourth Proportional to 449,262,863.40, 674,020,266.30 and 190,601,999.40

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Solution

The fourth proportional to 449,262,863.40, 674,020,266.30 and 190,601,999.40 is: 285,956,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,262,863.40 : 674,020,266.30 = 190,601,999.40 : x
  2. Step 2: Convert to fraction form
    449,262,863.40/674,020,266.30 = 190,601,999.40/x
  3. Step 3: Cross multiply
    449,262,863.40x = 674,020,266.30 × 190,601,999.40
  4. Step 4: Simplify right side
    449,262,863.40x = 128,469,610,392,900,432
  5. Step 5: Solve for x
    x = 128,469,610,392,900,432/449,262,863.40
  6. Step 6: Final answer
    x = 285,956,443.01

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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.