Home / 1,313,437,668.64-1,966,228,689.84-794,296,978.72

Finding the Fourth Proportional to 1,313,437,668.64, 1,966,228,689.84 and 794,296,978.72

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Solution

The fourth proportional to 1,313,437,668.64, 1,966,228,689.84 and 794,296,978.72 is: 1,189,070,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,437,668.64 : 1,966,228,689.84 = 794,296,978.72 : x
  2. Step 2: Convert to fraction form
    1,313,437,668.64/1,966,228,689.84 = 794,296,978.72/x
  3. Step 3: Cross multiply
    1,313,437,668.64x = 1,966,228,689.84 × 794,296,978.72
  4. Step 4: Simplify right side
    1,313,437,668.64x = 1,561,769,507,812,495,872
  5. Step 5: Solve for x
    x = 1,561,769,507,812,495,872/1,313,437,668.64
  6. Step 6: Final answer
    x = 1,189,070,136.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.