Home / 1,176,123,003.20-1,764,184,504.80-1,118,727,375.20

Finding the Fourth Proportional to 1,176,123,003.20, 1,764,184,504.80 and 1,118,727,375.20

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Solution

The fourth proportional to 1,176,123,003.20, 1,764,184,504.80 and 1,118,727,375.20 is: 1,678,091,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,123,003.20 : 1,764,184,504.80 = 1,118,727,375.20 : x
  2. Step 2: Convert to fraction form
    1,176,123,003.20/1,764,184,504.80 = 1,118,727,375.20/x
  3. Step 3: Cross multiply
    1,176,123,003.20x = 1,764,184,504.80 × 1,118,727,375.20
  4. Step 4: Simplify right side
    1,176,123,003.20x = 1,973,641,500,423,415,808
  5. Step 5: Solve for x
    x = 1,973,641,500,423,415,808/1,176,123,003.20
  6. Step 6: Final answer
    x = 1,678,091,062.80

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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.