Home / 1,090,371,611.41-1,636,033,148.99-381,828,720.26

Finding the Fourth Proportional to 1,090,371,611.41, 1,636,033,148.99 and 381,828,720.26

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Solution

The fourth proportional to 1,090,371,611.41, 1,636,033,148.99 and 381,828,720.26 is: 572,909,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,371,611.41 : 1,636,033,148.99 = 381,828,720.26 : x
  2. Step 2: Convert to fraction form
    1,090,371,611.41/1,636,033,148.99 = 381,828,720.26/x
  3. Step 3: Cross multiply
    1,090,371,611.41x = 1,636,033,148.99 × 381,828,720.26
  4. Step 4: Simplify right side
    1,090,371,611.41x = 624,684,443,581,789,568
  5. Step 5: Solve for x
    x = 624,684,443,581,789,568/1,090,371,611.41
  6. Step 6: Final answer
    x = 572,909,673.22

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1.5x scale

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.