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Finding the Fourth Proportional to 453,670,709.85, 680,506,064.78 and 453,670,709.85

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Solution

The fourth proportional to 453,670,709.85, 680,506,064.78 and 453,670,709.85 is: 680,506,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,670,709.85 : 680,506,064.78 = 453,670,709.85 : x
  2. Step 2: Convert to fraction form
    453,670,709.85/680,506,064.78 = 453,670,709.85/x
  3. Step 3: Cross multiply
    453,670,709.85x = 680,506,064.78 × 453,670,709.85
  4. Step 4: Simplify right side
    453,670,709.85x = 308,725,669,463,704,320
  5. Step 5: Solve for x
    x = 308,725,669,463,704,320/453,670,709.85
  6. Step 6: Final answer
    x = 680,506,064.78

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