Home / 1,489,483,714.38-2,055,487,518.14-863,315,349.04

Finding the Fourth Proportional to 1,489,483,714.38, 2,055,487,518.14 and 863,315,349.04

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Solution

The fourth proportional to 1,489,483,714.38, 2,055,487,518.14 and 863,315,349.04 is: 1,191,375,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,483,714.38 : 2,055,487,518.14 = 863,315,349.04 : x
  2. Step 2: Convert to fraction form
    1,489,483,714.38/2,055,487,518.14 = 863,315,349.04/x
  3. Step 3: Cross multiply
    1,489,483,714.38x = 2,055,487,518.14 × 863,315,349.04
  4. Step 4: Simplify right side
    1,489,483,714.38x = 1,774,533,924,159,408,896
  5. Step 5: Solve for x
    x = 1,774,533,924,159,408,896/1,489,483,714.38
  6. Step 6: Final answer
    x = 1,191,375,177.20

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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.