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Finding the Fourth Proportional to 528,449,185,719.40, 792,673,778,579.10 and 528,449,185,719.40

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Solution

The fourth proportional to 528,449,185,719.40, 792,673,778,579.10 and 528,449,185,719.40 is: 792,673,778,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,449,185,719.40 : 792,673,778,579.10 = 528,449,185,719.40 : x
  2. Step 2: Convert to fraction form
    528,449,185,719.40/792,673,778,579.10 = 528,449,185,719.40/x
  3. Step 3: Cross multiply
    528,449,185,719.40x = 792,673,778,579.10 × 528,449,185,719.40
  4. Step 4: Simplify right side
    528,449,185,719.40x = 418,887,812,831,245,380,878,336
  5. Step 5: Solve for x
    x = 418,887,812,831,245,380,878,336/528,449,185,719.40
  6. Step 6: Final answer
    x = 792,673,778,579.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.