Home / 1,721,455,099.40-2,582,510,010.20-1,191,899,730.80

Finding the Fourth Proportional to 1,721,455,099.40, 2,582,510,010.20 and 1,191,899,730.80

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Solution

The fourth proportional to 1,721,455,099.40, 2,582,510,010.20 and 1,191,899,730.80 is: 1,788,076,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,455,099.40 : 2,582,510,010.20 = 1,191,899,730.80 : x
  2. Step 2: Convert to fraction form
    1,721,455,099.40/2,582,510,010.20 = 1,191,899,730.80/x
  3. Step 3: Cross multiply
    1,721,455,099.40x = 2,582,510,010.20 × 1,191,899,730.80
  4. Step 4: Simplify right side
    1,721,455,099.40x = 3,078,092,985,945,684,992
  5. Step 5: Solve for x
    x = 3,078,092,985,945,684,992/1,721,455,099.40
  6. Step 6: Final answer
    x = 1,788,076,254.22

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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.