Home / 3,149,312,085.60-4,723,968,128.40-1,679,984,008.80

Finding the Fourth Proportional to 3,149,312,085.60, 4,723,968,128.40 and 1,679,984,008.80

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Solution

The fourth proportional to 3,149,312,085.60, 4,723,968,128.40 and 1,679,984,008.80 is: 2,519,976,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,312,085.60 : 4,723,968,128.40 = 1,679,984,008.80 : x
  2. Step 2: Convert to fraction form
    3,149,312,085.60/4,723,968,128.40 = 1,679,984,008.80/x
  3. Step 3: Cross multiply
    3,149,312,085.60x = 4,723,968,128.40 × 1,679,984,008.80
  4. Step 4: Simplify right side
    3,149,312,085.60x = 7,936,190,913,792,864,256
  5. Step 5: Solve for x
    x = 7,936,190,913,792,864,256/3,149,312,085.60
  6. Step 6: Final answer
    x = 2,519,976,013.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.