Home / 8,666,856,076.40-12,996,185,987.68-3,357,455,012.72

Finding the Fourth Proportional to 8,666,856,076.40, 12,996,185,987.68 and 3,357,455,012.72

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Solution

The fourth proportional to 8,666,856,076.40, 12,996,185,987.68 and 3,357,455,012.72 is: 5,034,594,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,856,076.40 : 12,996,185,987.68 = 3,357,455,012.72 : x
  2. Step 2: Convert to fraction form
    8,666,856,076.40/12,996,185,987.68 = 3,357,455,012.72/x
  3. Step 3: Cross multiply
    8,666,856,076.40x = 12,996,185,987.68 × 3,357,455,012.72
  4. Step 4: Simplify right side
    8,666,856,076.40x = 43,634,109,790,577,639,424
  5. Step 5: Solve for x
    x = 43,634,109,790,577,639,424/8,666,856,076.40
  6. Step 6: Final answer
    x = 5,034,594,944.92

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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.