Home / 1,358,947,754.37-1,875,318,507.38-786,754,936.54

Finding the Fourth Proportional to 1,358,947,754.37, 1,875,318,507.38 and 786,754,936.54

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Solution

The fourth proportional to 1,358,947,754.37, 1,875,318,507.38 and 786,754,936.54 is: 1,085,704,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,947,754.37 : 1,875,318,507.38 = 786,754,936.54 : x
  2. Step 2: Convert to fraction form
    1,358,947,754.37/1,875,318,507.38 = 786,754,936.54/x
  3. Step 3: Cross multiply
    1,358,947,754.37x = 1,875,318,507.38 × 786,754,936.54
  4. Step 4: Simplify right side
    1,358,947,754.37x = 1,475,416,093,266,039,552
  5. Step 5: Solve for x
    x = 1,475,416,093,266,039,552/1,358,947,754.37
  6. Step 6: Final answer
    x = 1,085,704,795.14

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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.