Home / 529,592,400.59-730,844,205.91-291,464,993.43

Finding the Fourth Proportional to 529,592,400.59, 730,844,205.91 and 291,464,993.43

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Solution

The fourth proportional to 529,592,400.59, 730,844,205.91 and 291,464,993.43 is: 402,225,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,592,400.59 : 730,844,205.91 = 291,464,993.43 : x
  2. Step 2: Convert to fraction form
    529,592,400.59/730,844,205.91 = 291,464,993.43/x
  3. Step 3: Cross multiply
    529,592,400.59x = 730,844,205.91 × 291,464,993.43
  4. Step 4: Simplify right side
    529,592,400.59x = 213,015,501,673,183,072
  5. Step 5: Solve for x
    x = 213,015,501,673,183,072/529,592,400.59
  6. Step 6: Final answer
    x = 402,225,374.53

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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.