Home / 4,985,340,142.80-7,478,010,214.20-2,076,917,077.20

Finding the Fourth Proportional to 4,985,340,142.80, 7,478,010,214.20 and 2,076,917,077.20

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Solution

The fourth proportional to 4,985,340,142.80, 7,478,010,214.20 and 2,076,917,077.20 is: 3,115,375,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,340,142.80 : 7,478,010,214.20 = 2,076,917,077.20 : x
  2. Step 2: Convert to fraction form
    4,985,340,142.80/7,478,010,214.20 = 2,076,917,077.20/x
  3. Step 3: Cross multiply
    4,985,340,142.80x = 7,478,010,214.20 × 2,076,917,077.20
  4. Step 4: Simplify right side
    4,985,340,142.80x = 15,531,207,117,348,009,984
  5. Step 5: Solve for x
    x = 15,531,207,117,348,009,984/4,985,340,142.80
  6. Step 6: Final answer
    x = 3,115,375,615.80

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Double scale
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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.