Home / 1,365,764,423.88-2,048,648,113.26-639,263,319.24

Finding the Fourth Proportional to 1,365,764,423.88, 2,048,648,113.26 and 639,263,319.24

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Solution

The fourth proportional to 1,365,764,423.88, 2,048,648,113.26 and 639,263,319.24 is: 958,895,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,764,423.88 : 2,048,648,113.26 = 639,263,319.24 : x
  2. Step 2: Convert to fraction form
    1,365,764,423.88/2,048,648,113.26 = 639,263,319.24/x
  3. Step 3: Cross multiply
    1,365,764,423.88x = 2,048,648,113.26 × 639,263,319.24
  4. Step 4: Simplify right side
    1,365,764,423.88x = 1,309,625,592,837,351,168
  5. Step 5: Solve for x
    x = 1,309,625,592,837,351,168/1,365,764,423.88
  6. Step 6: Final answer
    x = 958,895,670.39

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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.