Home / 15,386,285,820.56-21,232,854,823.23-8,519,026,162.50

Finding the Fourth Proportional to 15,386,285,820.56, 21,232,854,823.23 and 8,519,026,162.50

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Solution

The fourth proportional to 15,386,285,820.56, 21,232,854,823.23 and 8,519,026,162.50 is: 11,756,134,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386,285,820.56 : 21,232,854,823.23 = 8,519,026,162.50 : x
  2. Step 2: Convert to fraction form
    15,386,285,820.56/21,232,854,823.23 = 8,519,026,162.50/x
  3. Step 3: Cross multiply
    15,386,285,820.56x = 21,232,854,823.23 × 8,519,026,162.50
  4. Step 4: Simplify right side
    15,386,285,820.56x = 180,883,245,743,660,662,784
  5. Step 5: Solve for x
    x = 180,883,245,743,660,662,784/15,386,285,820.56
  6. Step 6: Final answer
    x = 11,756,134,511.81

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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.