Home / 797,947,678.40-1,197,677,344.80-491,837,662.40

Finding the Fourth Proportional to 797,947,678.40, 1,197,677,344.80 and 491,837,662.40

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Solution

The fourth proportional to 797,947,678.40, 1,197,677,344.80 and 491,837,662.40 is: 738,222,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,947,678.40 : 1,197,677,344.80 = 491,837,662.40 : x
  2. Step 2: Convert to fraction form
    797,947,678.40/1,197,677,344.80 = 491,837,662.40/x
  3. Step 3: Cross multiply
    797,947,678.40x = 1,197,677,344.80 × 491,837,662.40
  4. Step 4: Simplify right side
    797,947,678.40x = 589,062,825,575,870,720
  5. Step 5: Solve for x
    x = 589,062,825,575,870,720/797,947,678.40
  6. Step 6: Final answer
    x = 738,222,369.11

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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.