Home / 946,769,153.64-1,306,543,202.16-529,081,439.40

Finding the Fourth Proportional to 946,769,153.64, 1,306,543,202.16 and 529,081,439.40

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Solution

The fourth proportional to 946,769,153.64, 1,306,543,202.16 and 529,081,439.40 is: 730,133,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,769,153.64 : 1,306,543,202.16 = 529,081,439.40 : x
  2. Step 2: Convert to fraction form
    946,769,153.64/1,306,543,202.16 = 529,081,439.40/x
  3. Step 3: Cross multiply
    946,769,153.64x = 1,306,543,202.16 × 529,081,439.40
  4. Step 4: Simplify right side
    946,769,153.64x = 691,267,758,037,097,984
  5. Step 5: Solve for x
    x = 691,267,758,037,097,984/946,769,153.64
  6. Step 6: Final answer
    x = 730,133,375.57

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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.