Home / 702,085,916.33-968,412,044.43-451,507,112.67

Finding the Fourth Proportional to 702,085,916.33, 968,412,044.43 and 451,507,112.67

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Solution

The fourth proportional to 702,085,916.33, 968,412,044.43 and 451,507,112.67 is: 622,779,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,085,916.33 : 968,412,044.43 = 451,507,112.67 : x
  2. Step 2: Convert to fraction form
    702,085,916.33/968,412,044.43 = 451,507,112.67/x
  3. Step 3: Cross multiply
    702,085,916.33x = 968,412,044.43 × 451,507,112.67
  4. Step 4: Simplify right side
    702,085,916.33x = 437,244,926,055,441,024
  5. Step 5: Solve for x
    x = 437,244,926,055,441,024/702,085,916.33
  6. Step 6: Final answer
    x = 622,779,799.29

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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.