Home / 1,782,085,892.96-2,459,079,077.04-989,165,292.16

Finding the Fourth Proportional to 1,782,085,892.96, 2,459,079,077.04 and 989,165,292.16

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Solution

The fourth proportional to 1,782,085,892.96, 2,459,079,077.04 and 989,165,292.16 is: 1,364,937,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,085,892.96 : 2,459,079,077.04 = 989,165,292.16 : x
  2. Step 2: Convert to fraction form
    1,782,085,892.96/2,459,079,077.04 = 989,165,292.16/x
  3. Step 3: Cross multiply
    1,782,085,892.96x = 2,459,079,077.04 × 989,165,292.16
  4. Step 4: Simplify right side
    1,782,085,892.96x = 2,432,435,673,684,814,848
  5. Step 5: Solve for x
    x = 2,432,435,673,684,814,848/1,782,085,892.96
  6. Step 6: Final answer
    x = 1,364,937,393.47

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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.