Home / 741,183,759.48-1,111,395,656.16-391,617,813

Finding the Fourth Proportional to 741,183,759.48, 1,111,395,656.16 and 391,617,813

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Solution

The fourth proportional to 741,183,759.48, 1,111,395,656.16 and 391,617,813 is: 587,225,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,183,759.48 : 1,111,395,656.16 = 391,617,813 : x
  2. Step 2: Convert to fraction form
    741,183,759.48/1,111,395,656.16 = 391,617,813/x
  3. Step 3: Cross multiply
    741,183,759.48x = 1,111,395,656.16 × 391,617,813
  4. Step 4: Simplify right side
    741,183,759.48x = 435,242,336,243,079,232
  5. Step 5: Solve for x
    x = 435,242,336,243,079,232/741,183,759.48
  6. Step 6: Final answer
    x = 587,225,948.59

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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.