Home / 1,176,768,110.40-1,765,152,165.60-768,621,422.40

Finding the Fourth Proportional to 1,176,768,110.40, 1,765,152,165.60 and 768,621,422.40

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Solution

The fourth proportional to 1,176,768,110.40, 1,765,152,165.60 and 768,621,422.40 is: 1,152,932,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,768,110.40 : 1,765,152,165.60 = 768,621,422.40 : x
  2. Step 2: Convert to fraction form
    1,176,768,110.40/1,765,152,165.60 = 768,621,422.40/x
  3. Step 3: Cross multiply
    1,176,768,110.40x = 1,765,152,165.60 × 768,621,422.40
  4. Step 4: Simplify right side
    1,176,768,110.40x = 1,356,733,768,275,912,192
  5. Step 5: Solve for x
    x = 1,356,733,768,275,912,192/1,176,768,110.40
  6. Step 6: Final answer
    x = 1,152,932,133.60

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1.5x scale

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.