Home / 291,487,640,862.15-437,291,094,438.40-100,234,840,308.96

Finding the Fourth Proportional to 291,487,640,862.15, 437,291,094,438.40 and 100,234,840,308.96

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Solution

The fourth proportional to 291,487,640,862.15, 437,291,094,438.40 and 100,234,840,308.96 is: 150,372,766,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,487,640,862.15 : 437,291,094,438.40 = 100,234,840,308.96 : x
  2. Step 2: Convert to fraction form
    291,487,640,862.15/437,291,094,438.40 = 100,234,840,308.96/x
  3. Step 3: Cross multiply
    291,487,640,862.15x = 437,291,094,438.40 × 100,234,840,308.96
  4. Step 4: Simplify right side
    291,487,640,862.15x = 43,831,803,019,563,372,642,304
  5. Step 5: Solve for x
    x = 43,831,803,019,563,372,642,304/291,487,640,862.15
  6. Step 6: Final answer
    x = 150,372,766,714.64

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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.