Home / 328,064,296.40-492,096,444.60-191,679,477.20

Finding the Fourth Proportional to 328,064,296.40, 492,096,444.60 and 191,679,477.20

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Solution

The fourth proportional to 328,064,296.40, 492,096,444.60 and 191,679,477.20 is: 287,519,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,064,296.40 : 492,096,444.60 = 191,679,477.20 : x
  2. Step 2: Convert to fraction form
    328,064,296.40/492,096,444.60 = 191,679,477.20/x
  3. Step 3: Cross multiply
    328,064,296.40x = 492,096,444.60 × 191,679,477.20
  4. Step 4: Simplify right side
    328,064,296.40x = 94,324,789,232,906,768
  5. Step 5: Solve for x
    x = 94,324,789,232,906,768/328,064,296.40
  6. Step 6: Final answer
    x = 287,519,215.80

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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.