Home / 668,563,344.20-1,002,845,016.30-553,677,609.80

Finding the Fourth Proportional to 668,563,344.20, 1,002,845,016.30 and 553,677,609.80

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Solution

The fourth proportional to 668,563,344.20, 1,002,845,016.30 and 553,677,609.80 is: 830,516,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,563,344.20 : 1,002,845,016.30 = 553,677,609.80 : x
  2. Step 2: Convert to fraction form
    668,563,344.20/1,002,845,016.30 = 553,677,609.80/x
  3. Step 3: Cross multiply
    668,563,344.20x = 1,002,845,016.30 × 553,677,609.80
  4. Step 4: Simplify right side
    668,563,344.20x = 555,252,831,624,825,984
  5. Step 5: Solve for x
    x = 555,252,831,624,825,984/668,563,344.20
  6. Step 6: Final answer
    x = 830,516,414.70

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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.