Home / 20,194,758,031.20-30,292,137,046.80-9,708,576,795.60

Finding the Fourth Proportional to 20,194,758,031.20, 30,292,137,046.80 and 9,708,576,795.60

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Solution

The fourth proportional to 20,194,758,031.20, 30,292,137,046.80 and 9,708,576,795.60 is: 14,562,865,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,758,031.20 : 30,292,137,046.80 = 9,708,576,795.60 : x
  2. Step 2: Convert to fraction form
    20,194,758,031.20/30,292,137,046.80 = 9,708,576,795.60/x
  3. Step 3: Cross multiply
    20,194,758,031.20x = 30,292,137,046.80 × 9,708,576,795.60
  4. Step 4: Simplify right side
    20,194,758,031.20x = 294,093,538,821,697,601,536
  5. Step 5: Solve for x
    x = 294,093,538,821,697,601,536/20,194,758,031.20
  6. Step 6: Final answer
    x = 14,562,865,193.40

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1.5x scale

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.