Home / 299,460,821.40-448,435,404.90-196,668,322.20

Finding the Fourth Proportional to 299,460,821.40, 448,435,404.90 and 196,668,322.20

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Solution

The fourth proportional to 299,460,821.40, 448,435,404.90 and 196,668,322.20 is: 294,506,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,460,821.40 : 448,435,404.90 = 196,668,322.20 : x
  2. Step 2: Convert to fraction form
    299,460,821.40/448,435,404.90 = 196,668,322.20/x
  3. Step 3: Cross multiply
    299,460,821.40x = 448,435,404.90 × 196,668,322.20
  4. Step 4: Simplify right side
    299,460,821.40x = 88,193,038,696,760,656
  5. Step 5: Solve for x
    x = 88,193,038,696,760,656/299,460,821.40
  6. Step 6: Final answer
    x = 294,506,100.28

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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.