Home / 569,047,241.32-785,285,989.86-308,286,857.32

Finding the Fourth Proportional to 569,047,241.32, 785,285,989.86 and 308,286,857.32

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Solution

The fourth proportional to 569,047,241.32, 785,285,989.86 and 308,286,857.32 is: 425,436,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,047,241.32 : 785,285,989.86 = 308,286,857.32 : x
  2. Step 2: Convert to fraction form
    569,047,241.32/785,285,989.86 = 308,286,857.32/x
  3. Step 3: Cross multiply
    569,047,241.32x = 785,285,989.86 × 308,286,857.32
  4. Step 4: Simplify right side
    569,047,241.32x = 242,093,349,911,364,800
  5. Step 5: Solve for x
    x = 242,093,349,911,364,800/569,047,241.32
  6. Step 6: Final answer
    x = 425,436,294.80

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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.