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Finding the Fourth Proportional to 406,251,610.78, 609,185,315.44 and 157,373,431

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Solution

The fourth proportional to 406,251,610.78, 609,185,315.44 and 157,373,431 is: 235,985,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,251,610.78 : 609,185,315.44 = 157,373,431 : x
  2. Step 2: Convert to fraction form
    406,251,610.78/609,185,315.44 = 157,373,431/x
  3. Step 3: Cross multiply
    406,251,610.78x = 609,185,315.44 × 157,373,431
  4. Step 4: Simplify right side
    406,251,610.78x = 95,869,583,205,610,080
  5. Step 5: Solve for x
    x = 95,869,583,205,610,080/406,251,610.78
  6. Step 6: Final answer
    x = 235,985,730.67

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