Home / 328,064,374.40-492,096,561.60-191,679,555.20

Finding the Fourth Proportional to 328,064,374.40, 492,096,561.60 and 191,679,555.20

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Solution

The fourth proportional to 328,064,374.40, 492,096,561.60 and 191,679,555.20 is: 287,519,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,064,374.40 : 492,096,561.60 = 191,679,555.20 : x
  2. Step 2: Convert to fraction form
    328,064,374.40/492,096,561.60 = 191,679,555.20/x
  3. Step 3: Cross multiply
    328,064,374.40x = 492,096,561.60 × 191,679,555.20
  4. Step 4: Simplify right side
    328,064,374.40x = 94,324,850,042,937,392
  5. Step 5: Solve for x
    x = 94,324,850,042,937,392/328,064,374.40
  6. Step 6: Final answer
    x = 287,519,332.80

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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.