Home / 265,708,880.65-366,352,488.52-218,500,979.05

Finding the Fourth Proportional to 265,708,880.65, 366,352,488.52 and 218,500,979.05

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Solution

The fourth proportional to 265,708,880.65, 366,352,488.52 and 218,500,979.05 is: 301,263,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,708,880.65 : 366,352,488.52 = 218,500,979.05 : x
  2. Step 2: Convert to fraction form
    265,708,880.65/366,352,488.52 = 218,500,979.05/x
  3. Step 3: Cross multiply
    265,708,880.65x = 366,352,488.52 × 218,500,979.05
  4. Step 4: Simplify right side
    265,708,880.65x = 80,048,377,419,023,888
  5. Step 5: Solve for x
    x = 80,048,377,419,023,888/265,708,880.65
  6. Step 6: Final answer
    x = 301,263,462.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.