Home / 676,662,402.80-1,014,993,604.20-216,615,580.40

Finding the Fourth Proportional to 676,662,402.80, 1,014,993,604.20 and 216,615,580.40

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Solution

The fourth proportional to 676,662,402.80, 1,014,993,604.20 and 216,615,580.40 is: 324,923,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,662,402.80 : 1,014,993,604.20 = 216,615,580.40 : x
  2. Step 2: Convert to fraction form
    676,662,402.80/1,014,993,604.20 = 216,615,580.40/x
  3. Step 3: Cross multiply
    676,662,402.80x = 1,014,993,604.20 × 216,615,580.40
  4. Step 4: Simplify right side
    676,662,402.80x = 219,863,428,676,070,880
  5. Step 5: Solve for x
    x = 219,863,428,676,070,880/676,662,402.80
  6. Step 6: Final answer
    x = 324,923,370.60

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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.