Home / 299,460,806.40-448,435,382.40-196,668,307.20

Finding the Fourth Proportional to 299,460,806.40, 448,435,382.40 and 196,668,307.20

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Solution

The fourth proportional to 299,460,806.40, 448,435,382.40 and 196,668,307.20 is: 294,506,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,460,806.40 : 448,435,382.40 = 196,668,307.20 : x
  2. Step 2: Convert to fraction form
    299,460,806.40/448,435,382.40 = 196,668,307.20/x
  3. Step 3: Cross multiply
    299,460,806.40x = 448,435,382.40 × 196,668,307.20
  4. Step 4: Simplify right side
    299,460,806.40x = 88,193,027,545,192,656
  5. Step 5: Solve for x
    x = 88,193,027,545,192,656/299,460,806.40
  6. Step 6: Final answer
    x = 294,506,077.79

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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.