Home / 1,107,184,893.60-1,659,643,599.60-646,886,128.80

Finding the Fourth Proportional to 1,107,184,893.60, 1,659,643,599.60 and 646,886,128.80

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Solution

The fourth proportional to 1,107,184,893.60, 1,659,643,599.60 and 646,886,128.80 is: 969,666,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,184,893.60 : 1,659,643,599.60 = 646,886,128.80 : x
  2. Step 2: Convert to fraction form
    1,107,184,893.60/1,659,643,599.60 = 646,886,128.80/x
  3. Step 3: Cross multiply
    1,107,184,893.60x = 1,659,643,599.60 × 646,886,128.80
  4. Step 4: Simplify right side
    1,107,184,893.60x = 1,073,600,423,332,941,056
  5. Step 5: Solve for x
    x = 1,073,600,423,332,941,056/1,107,184,893.60
  6. Step 6: Final answer
    x = 969,666,791.46

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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.