Home / 320,482,694.90-480,724,042.35-298,983,610.10

Finding the Fourth Proportional to 320,482,694.90, 480,724,042.35 and 298,983,610.10

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Solution

The fourth proportional to 320,482,694.90, 480,724,042.35 and 298,983,610.10 is: 448,475,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,482,694.90 : 480,724,042.35 = 298,983,610.10 : x
  2. Step 2: Convert to fraction form
    320,482,694.90/480,724,042.35 = 298,983,610.10/x
  3. Step 3: Cross multiply
    320,482,694.90x = 480,724,042.35 × 298,983,610.10
  4. Step 4: Simplify right side
    320,482,694.90x = 143,728,609,643,668,304
  5. Step 5: Solve for x
    x = 143,728,609,643,668,304/320,482,694.90
  6. Step 6: Final answer
    x = 448,475,415.15

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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.