Home / 3,171,939,386.40-4,377,019,724.64-1,833,915,323.28

Finding the Fourth Proportional to 3,171,939,386.40, 4,377,019,724.64 and 1,833,915,323.28

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Solution

The fourth proportional to 3,171,939,386.40, 4,377,019,724.64 and 1,833,915,323.28 is: 2,530,654,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,939,386.40 : 4,377,019,724.64 = 1,833,915,323.28 : x
  2. Step 2: Convert to fraction form
    3,171,939,386.40/4,377,019,724.64 = 1,833,915,323.28/x
  3. Step 3: Cross multiply
    3,171,939,386.40x = 4,377,019,724.64 × 1,833,915,323.28
  4. Step 4: Simplify right side
    3,171,939,386.40x = 8,027,083,543,316,103,168
  5. Step 5: Solve for x
    x = 8,027,083,543,316,103,168/3,171,939,386.40
  6. Step 6: Final answer
    x = 2,530,654,771.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.