Home / 1,947,973,716.56-2,690,437,792.48-1,281,892,346.56

Finding the Fourth Proportional to 1,947,973,716.56, 2,690,437,792.48 and 1,281,892,346.56

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Solution

The fourth proportional to 1,947,973,716.56, 2,690,437,792.48 and 1,281,892,346.56 is: 1,770,481,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,973,716.56 : 2,690,437,792.48 = 1,281,892,346.56 : x
  2. Step 2: Convert to fraction form
    1,947,973,716.56/2,690,437,792.48 = 1,281,892,346.56/x
  3. Step 3: Cross multiply
    1,947,973,716.56x = 2,690,437,792.48 × 1,281,892,346.56
  4. Step 4: Simplify right side
    1,947,973,716.56x = 3,448,851,615,075,893,248
  5. Step 5: Solve for x
    x = 3,448,851,615,075,893,248/1,947,973,716.56
  6. Step 6: Final answer
    x = 1,770,481,596.21

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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.