Home / 1,411,319,515.73-1,947,622,546.40-784,774,491.57

Finding the Fourth Proportional to 1,411,319,515.73, 1,947,622,546.40 and 784,774,491.57

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Solution

The fourth proportional to 1,411,319,515.73, 1,947,622,546.40 and 784,774,491.57 is: 1,082,989,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,319,515.73 : 1,947,622,546.40 = 784,774,491.57 : x
  2. Step 2: Convert to fraction form
    1,411,319,515.73/1,947,622,546.40 = 784,774,491.57/x
  3. Step 3: Cross multiply
    1,411,319,515.73x = 1,947,622,546.40 × 784,774,491.57
  4. Step 4: Simplify right side
    1,411,319,515.73x = 1,528,444,493,617,404,928
  5. Step 5: Solve for x
    x = 1,528,444,493,617,404,928/1,411,319,515.73
  6. Step 6: Final answer
    x = 1,082,989,696.23

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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.