Home / 488,820,323.40-734,080,790.70-259,237,811.40

Finding the Fourth Proportional to 488,820,323.40, 734,080,790.70 and 259,237,811.40

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Solution

The fourth proportional to 488,820,323.40, 734,080,790.70 and 259,237,811.40 is: 389,307,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,820,323.40 : 734,080,790.70 = 259,237,811.40 : x
  2. Step 2: Convert to fraction form
    488,820,323.40/734,080,790.70 = 259,237,811.40/x
  3. Step 3: Cross multiply
    488,820,323.40x = 734,080,790.70 × 259,237,811.40
  4. Step 4: Simplify right side
    488,820,323.40x = 190,301,497,571,849,504
  5. Step 5: Solve for x
    x = 190,301,497,571,849,504/488,820,323.40
  6. Step 6: Final answer
    x = 389,307,662.68

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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.