Home / 263,275,095.60-394,912,643.40-198,226,717.20

Finding the Fourth Proportional to 263,275,095.60, 394,912,643.40 and 198,226,717.20

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Solution

The fourth proportional to 263,275,095.60, 394,912,643.40 and 198,226,717.20 is: 297,340,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,275,095.60 : 394,912,643.40 = 198,226,717.20 : x
  2. Step 2: Convert to fraction form
    263,275,095.60/394,912,643.40 = 198,226,717.20/x
  3. Step 3: Cross multiply
    263,275,095.60x = 394,912,643.40 × 198,226,717.20
  4. Step 4: Simplify right side
    263,275,095.60x = 78,282,236,881,956,240
  5. Step 5: Solve for x
    x = 78,282,236,881,956,240/263,275,095.60
  6. Step 6: Final answer
    x = 297,340,075.80

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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.