Home / 13,545,562,851.22-18,688,659,512.60-7,827,764,220.94

Finding the Fourth Proportional to 13,545,562,851.22, 18,688,659,512.60 and 7,827,764,220.94

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Solution

The fourth proportional to 13,545,562,851.22, 18,688,659,512.60 and 7,827,764,220.94 is: 10,799,877,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,562,851.22 : 18,688,659,512.60 = 7,827,764,220.94 : x
  2. Step 2: Convert to fraction form
    13,545,562,851.22/18,688,659,512.60 = 7,827,764,220.94/x
  3. Step 3: Cross multiply
    13,545,562,851.22x = 18,688,659,512.60 × 7,827,764,220.94
  4. Step 4: Simplify right side
    13,545,562,851.22x = 146,290,420,270,060,240,896
  5. Step 5: Solve for x
    x = 146,290,420,270,060,240,896/13,545,562,851.22
  6. Step 6: Final answer
    x = 10,799,877,559.68

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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.