Home / 291,487,640,862-437,291,094,438.12-100,234,840,308.79

Finding the Fourth Proportional to 291,487,640,862, 437,291,094,438.12 and 100,234,840,308.79

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Solution

The fourth proportional to 291,487,640,862, 437,291,094,438.12 and 100,234,840,308.79 is: 150,372,766,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,487,640,862 : 437,291,094,438.12 = 100,234,840,308.79 : x
  2. Step 2: Convert to fraction form
    291,487,640,862/437,291,094,438.12 = 100,234,840,308.79/x
  3. Step 3: Cross multiply
    291,487,640,862x = 437,291,094,438.12 × 100,234,840,308.79
  4. Step 4: Simplify right side
    291,487,640,862x = 43,831,803,019,460,964,515,840
  5. Step 5: Solve for x
    x = 43,831,803,019,460,964,515,840/291,487,640,862
  6. Step 6: Final answer
    x = 150,372,766,714.36

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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.