Home / 788,102,783.40-1,182,154,175.10-327,887,999.40

Finding the Fourth Proportional to 788,102,783.40, 1,182,154,175.10 and 327,887,999.40

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Solution

The fourth proportional to 788,102,783.40, 1,182,154,175.10 and 327,887,999.40 is: 491,831,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,102,783.40 : 1,182,154,175.10 = 327,887,999.40 : x
  2. Step 2: Convert to fraction form
    788,102,783.40/1,182,154,175.10 = 327,887,999.40/x
  3. Step 3: Cross multiply
    788,102,783.40x = 1,182,154,175.10 × 327,887,999.40
  4. Step 4: Simplify right side
    788,102,783.40x = 387,614,167,455,896,256
  5. Step 5: Solve for x
    x = 387,614,167,455,896,256/788,102,783.40
  6. Step 6: Final answer
    x = 491,831,999.10

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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.