Home / 15,096,539,497.79-20,833,287,432.86-8,322,209,255.30

Finding the Fourth Proportional to 15,096,539,497.79, 20,833,287,432.86 and 8,322,209,255.30

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Solution

The fourth proportional to 15,096,539,497.79, 20,833,287,432.86 and 8,322,209,255.30 is: 11,484,683,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096,539,497.79 : 20,833,287,432.86 = 8,322,209,255.30 : x
  2. Step 2: Convert to fraction form
    15,096,539,497.79/20,833,287,432.86 = 8,322,209,255.30/x
  3. Step 3: Cross multiply
    15,096,539,497.79x = 20,833,287,432.86 × 8,322,209,255.30
  4. Step 4: Simplify right side
    15,096,539,497.79x = 173,378,977,491,993,460,736
  5. Step 5: Solve for x
    x = 173,378,977,491,993,460,736/15,096,539,497.79
  6. Step 6: Final answer
    x = 11,484,683,461.22

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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.