Home / 10,961,679,458.43-15,125,389,777.58-6,384,697,145.40

Finding the Fourth Proportional to 10,961,679,458.43, 15,125,389,777.58 and 6,384,697,145.40

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Solution

The fourth proportional to 10,961,679,458.43, 15,125,389,777.58 and 6,384,697,145.40 is: 8,809,875,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,679,458.43 : 15,125,389,777.58 = 6,384,697,145.40 : x
  2. Step 2: Convert to fraction form
    10,961,679,458.43/15,125,389,777.58 = 6,384,697,145.40/x
  3. Step 3: Cross multiply
    10,961,679,458.43x = 15,125,389,777.58 × 6,384,697,145.40
  4. Step 4: Simplify right side
    10,961,679,458.43x = 96,571,032,935,961,067,520
  5. Step 5: Solve for x
    x = 96,571,032,935,961,067,520/10,961,679,458.43
  6. Step 6: Final answer
    x = 8,809,875,649.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.