Home / 569,528,178,137.94-785,949,664,129.64-309,105,891,321.96

Finding the Fourth Proportional to 569,528,178,137.94, 785,949,664,129.64 and 309,105,891,321.96

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Solution

The fourth proportional to 569,528,178,137.94, 785,949,664,129.64 and 309,105,891,321.96 is: 426,566,552,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,528,178,137.94 : 785,949,664,129.64 = 309,105,891,321.96 : x
  2. Step 2: Convert to fraction form
    569,528,178,137.94/785,949,664,129.64 = 309,105,891,321.96/x
  3. Step 3: Cross multiply
    569,528,178,137.94x = 785,949,664,129.64 × 309,105,891,321.96
  4. Step 4: Simplify right side
    569,528,178,137.94x = 242,941,671,464,987,485,274,112
  5. Step 5: Solve for x
    x = 242,941,671,464,987,485,274,112/569,528,178,137.94
  6. Step 6: Final answer
    x = 426,566,552,438.69

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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.