Home / 568,686,156.48-784,553,195.52-345,631,896.72

Finding the Fourth Proportional to 568,686,156.48, 784,553,195.52 and 345,631,896.72

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Solution

The fourth proportional to 568,686,156.48, 784,553,195.52 and 345,631,896.72 is: 476,829,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,686,156.48 : 784,553,195.52 = 345,631,896.72 : x
  2. Step 2: Convert to fraction form
    568,686,156.48/784,553,195.52 = 345,631,896.72/x
  3. Step 3: Cross multiply
    568,686,156.48x = 784,553,195.52 × 345,631,896.72
  4. Step 4: Simplify right side
    568,686,156.48x = 271,166,609,045,314,624
  5. Step 5: Solve for x
    x = 271,166,609,045,314,624/568,686,156.48
  6. Step 6: Final answer
    x = 476,829,980.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.