Home / 569,621,985.12-786,093,796.32-322,140,348

Finding the Fourth Proportional to 569,621,985.12, 786,093,796.32 and 322,140,348

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Solution

The fourth proportional to 569,621,985.12, 786,093,796.32 and 322,140,348 is: 444,562,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,621,985.12 : 786,093,796.32 = 322,140,348 : x
  2. Step 2: Convert to fraction form
    569,621,985.12/786,093,796.32 = 322,140,348/x
  3. Step 3: Cross multiply
    569,621,985.12x = 786,093,796.32 × 322,140,348
  4. Step 4: Simplify right side
    569,621,985.12x = 253,232,529,107,165,952
  5. Step 5: Solve for x
    x = 253,232,529,107,165,952/569,621,985.12
  6. Step 6: Final answer
    x = 444,562,421.61

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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.