Home / 1,900,293,858.81-2,621,473,639.29-1,649,045,612.61

Finding the Fourth Proportional to 1,900,293,858.81, 2,621,473,639.29 and 1,649,045,612.61

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Solution

The fourth proportional to 1,900,293,858.81, 2,621,473,639.29 and 1,649,045,612.61 is: 2,274,874,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,293,858.81 : 2,621,473,639.29 = 1,649,045,612.61 : x
  2. Step 2: Convert to fraction form
    1,900,293,858.81/2,621,473,639.29 = 1,649,045,612.61/x
  3. Step 3: Cross multiply
    1,900,293,858.81x = 2,621,473,639.29 × 1,649,045,612.61
  4. Step 4: Simplify right side
    1,900,293,858.81x = 4,322,929,603,443,943,936
  5. Step 5: Solve for x
    x = 4,322,929,603,443,943,936/1,900,293,858.81
  6. Step 6: Final answer
    x = 2,274,874,269.26

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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.