Home / 289,609,531.20-434,414,296.80-265,800,974.40

Finding the Fourth Proportional to 289,609,531.20, 434,414,296.80 and 265,800,974.40

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Solution

The fourth proportional to 289,609,531.20, 434,414,296.80 and 265,800,974.40 is: 398,701,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,609,531.20 : 434,414,296.80 = 265,800,974.40 : x
  2. Step 2: Convert to fraction form
    289,609,531.20/434,414,296.80 = 265,800,974.40/x
  3. Step 3: Cross multiply
    289,609,531.20x = 434,414,296.80 × 265,800,974.40
  4. Step 4: Simplify right side
    289,609,531.20x = 115,467,743,382,730,800
  5. Step 5: Solve for x
    x = 115,467,743,382,730,800/289,609,531.20
  6. Step 6: Final answer
    x = 398,701,461.60

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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.