Home / 28,600,076,690.55-39,473,570,194.29-18,937,764,361.62

Finding the Fourth Proportional to 28,600,076,690.55, 39,473,570,194.29 and 18,937,764,361.62

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Solution

The fourth proportional to 28,600,076,690.55, 39,473,570,194.29 and 18,937,764,361.62 is: 26,137,733,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600,076,690.55 : 39,473,570,194.29 = 18,937,764,361.62 : x
  2. Step 2: Convert to fraction form
    28,600,076,690.55/39,473,570,194.29 = 18,937,764,361.62/x
  3. Step 3: Cross multiply
    28,600,076,690.55x = 39,473,570,194.29 × 18,937,764,361.62
  4. Step 4: Simplify right side
    28,600,076,690.55x = 747,541,170,851,330,654,208
  5. Step 5: Solve for x
    x = 747,541,170,851,330,654,208/28,600,076,690.55
  6. Step 6: Final answer
    x = 26,137,733,088.61

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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.