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Finding the Fourth Proportional to 289,323,522, 399,266,615.88 and 158,951,728.08

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Solution

The fourth proportional to 289,323,522, 399,266,615.88 and 158,951,728.08 is: 219,353,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,323,522 : 399,266,615.88 = 158,951,728.08 : x
  2. Step 2: Convert to fraction form
    289,323,522/399,266,615.88 = 158,951,728.08/x
  3. Step 3: Cross multiply
    289,323,522x = 399,266,615.88 × 158,951,728.08
  4. Step 4: Simplify right side
    289,323,522x = 63,464,118,558,779,576
  5. Step 5: Solve for x
    x = 63,464,118,558,779,576/289,323,522
  6. Step 6: Final answer
    x = 219,353,470.19

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