Home / 328,539,477.30-492,809,215.95-199,293,026.10

Finding the Fourth Proportional to 328,539,477.30, 492,809,215.95 and 199,293,026.10

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Solution

The fourth proportional to 328,539,477.30, 492,809,215.95 and 199,293,026.10 is: 298,939,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,539,477.30 : 492,809,215.95 = 199,293,026.10 : x
  2. Step 2: Convert to fraction form
    328,539,477.30/492,809,215.95 = 199,293,026.10/x
  3. Step 3: Cross multiply
    328,539,477.30x = 492,809,215.95 × 199,293,026.10
  4. Step 4: Simplify right side
    328,539,477.30x = 98,213,439,936,643,888
  5. Step 5: Solve for x
    x = 98,213,439,936,643,888/328,539,477.30
  6. Step 6: Final answer
    x = 298,939,539.15

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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.