Home / 6,389,040,762.69-9,583,756,382.86-2,191,934,703.80

Finding the Fourth Proportional to 6,389,040,762.69, 9,583,756,382.86 and 2,191,934,703.80

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Solution

The fourth proportional to 6,389,040,762.69, 9,583,756,382.86 and 2,191,934,703.80 is: 3,287,969,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,040,762.69 : 9,583,756,382.86 = 2,191,934,703.80 : x
  2. Step 2: Convert to fraction form
    6,389,040,762.69/9,583,756,382.86 = 2,191,934,703.80/x
  3. Step 3: Cross multiply
    6,389,040,762.69x = 9,583,756,382.86 × 2,191,934,703.80
  4. Step 4: Simplify right side
    6,389,040,762.69x = 21,006,968,208,355,598,336
  5. Step 5: Solve for x
    x = 21,006,968,208,355,598,336/6,389,040,762.69
  6. Step 6: Final answer
    x = 3,287,969,037.70

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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.