Home / 15,028,623,884.18-20,746,562,014.38-8,683,764,399.81

Finding the Fourth Proportional to 15,028,623,884.18, 20,746,562,014.38 and 8,683,764,399.81

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Solution

The fourth proportional to 15,028,623,884.18, 20,746,562,014.38 and 8,683,764,399.81 is: 11,987,674,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,623,884.18 : 20,746,562,014.38 = 8,683,764,399.81 : x
  2. Step 2: Convert to fraction form
    15,028,623,884.18/20,746,562,014.38 = 8,683,764,399.81/x
  3. Step 3: Cross multiply
    15,028,623,884.18x = 20,746,562,014.38 × 8,683,764,399.81
  4. Step 4: Simplify right side
    15,028,623,884.18x = 180,158,256,638,878,580,736
  5. Step 5: Solve for x
    x = 180,158,256,638,878,580,736/15,028,623,884.18
  6. Step 6: Final answer
    x = 11,987,674,854.82

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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.