Home / 529,592,400.21-730,844,205.39-291,464,993.07

Finding the Fourth Proportional to 529,592,400.21, 730,844,205.39 and 291,464,993.07

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Solution

The fourth proportional to 529,592,400.21, 730,844,205.39 and 291,464,993.07 is: 402,225,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,592,400.21 : 730,844,205.39 = 291,464,993.07 : x
  2. Step 2: Convert to fraction form
    529,592,400.21/730,844,205.39 = 291,464,993.07/x
  3. Step 3: Cross multiply
    529,592,400.21x = 730,844,205.39 × 291,464,993.07
  4. Step 4: Simplify right side
    529,592,400.21x = 213,015,501,259,245,984
  5. Step 5: Solve for x
    x = 213,015,501,259,245,984/529,592,400.21
  6. Step 6: Final answer
    x = 402,225,374.03

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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.