Home / 1,533,042,019-2,299,581,457.08-427,579,588.54

Finding the Fourth Proportional to 1,533,042,019, 2,299,581,457.08 and 427,579,588.54

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Solution

The fourth proportional to 1,533,042,019, 2,299,581,457.08 and 427,579,588.54 is: 641,374,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,042,019 : 2,299,581,457.08 = 427,579,588.54 : x
  2. Step 2: Convert to fraction form
    1,533,042,019/2,299,581,457.08 = 427,579,588.54/x
  3. Step 3: Cross multiply
    1,533,042,019x = 2,299,581,457.08 × 427,579,588.54
  4. Step 4: Simplify right side
    1,533,042,019x = 983,254,093,232,480,128
  5. Step 5: Solve for x
    x = 983,254,093,232,480,128/1,533,042,019
  6. Step 6: Final answer
    x = 641,374,522.71

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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.