Home / 620,163,609.26-855,556,886.31-369,127,229.90

Finding the Fourth Proportional to 620,163,609.26, 855,556,886.31 and 369,127,229.90

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Solution

The fourth proportional to 620,163,609.26, 855,556,886.31 and 369,127,229.90 is: 509,235,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,163,609.26 : 855,556,886.31 = 369,127,229.90 : x
  2. Step 2: Convert to fraction form
    620,163,609.26/855,556,886.31 = 369,127,229.90/x
  3. Step 3: Cross multiply
    620,163,609.26x = 855,556,886.31 × 369,127,229.90
  4. Step 4: Simplify right side
    620,163,609.26x = 315,809,343,465,479,488
  5. Step 5: Solve for x
    x = 315,809,343,465,479,488/620,163,609.26
  6. Step 6: Final answer
    x = 509,235,528.74

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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.