Home / 1,242,317,474,892.30-1,863,662,538,129.20-436,342,358,057.72

Finding the Fourth Proportional to 1,242,317,474,892.30, 1,863,662,538,129.20 and 436,342,358,057.72

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Solution

The fourth proportional to 1,242,317,474,892.30, 1,863,662,538,129.20 and 436,342,358,057.72 is: 654,578,980,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,317,474,892.30 : 1,863,662,538,129.20 = 436,342,358,057.72 : x
  2. Step 2: Convert to fraction form
    1,242,317,474,892.30/1,863,662,538,129.20 = 436,342,358,057.72/x
  3. Step 3: Cross multiply
    1,242,317,474,892.30x = 1,863,662,538,129.20 × 436,342,358,057.72
  4. Step 4: Simplify right side
    1,242,317,474,892.30x = 813,194,906,511,130,595,688,448
  5. Step 5: Solve for x
    x = 813,194,906,511,130,595,688,448/1,242,317,474,892.30
  6. Step 6: Final answer
    x = 654,578,980,772.71

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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.