Home / 702,171,073.75-1,053,124,931.07-352,323,207.43

Finding the Fourth Proportional to 702,171,073.75, 1,053,124,931.07 and 352,323,207.43

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Solution

The fourth proportional to 702,171,073.75, 1,053,124,931.07 and 352,323,207.43 is: 528,418,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,171,073.75 : 1,053,124,931.07 = 352,323,207.43 : x
  2. Step 2: Convert to fraction form
    702,171,073.75/1,053,124,931.07 = 352,323,207.43/x
  3. Step 3: Cross multiply
    702,171,073.75x = 1,053,124,931.07 × 352,323,207.43
  4. Step 4: Simplify right side
    702,171,073.75x = 371,040,353,536,940,544
  5. Step 5: Solve for x
    x = 371,040,353,536,940,544/702,171,073.75
  6. Step 6: Final answer
    x = 528,418,739.26

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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.