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Finding the Fourth Proportional to 313,744,978.40, 470,674,927.58 and 129,411,898.56

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Solution

The fourth proportional to 313,744,978.40, 470,674,927.58 and 129,411,898.56 is: 194,141,548.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,744,978.40 : 470,674,927.58 = 129,411,898.56 : x
  2. Step 2: Convert to fraction form
    313,744,978.40/470,674,927.58 = 129,411,898.56/x
  3. Step 3: Cross multiply
    313,744,978.40x = 470,674,927.58 × 129,411,898.56
  4. Step 4: Simplify right side
    313,744,978.40x = 60,910,935,982,071,248
  5. Step 5: Solve for x
    x = 60,910,935,982,071,248/313,744,978.40
  6. Step 6: Final answer
    x = 194,141,548.64

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