Home / 1,002,818,939.96-1,383,933,358.80-556,782,325.20

Finding the Fourth Proportional to 1,002,818,939.96, 1,383,933,358.80 and 556,782,325.20

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Solution

The fourth proportional to 1,002,818,939.96, 1,383,933,358.80 and 556,782,325.20 is: 768,383,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,818,939.96 : 1,383,933,358.80 = 556,782,325.20 : x
  2. Step 2: Convert to fraction form
    1,002,818,939.96/1,383,933,358.80 = 556,782,325.20/x
  3. Step 3: Cross multiply
    1,002,818,939.96x = 1,383,933,358.80 × 556,782,325.20
  4. Step 4: Simplify right side
    1,002,818,939.96x = 770,549,633,434,509,952
  5. Step 5: Solve for x
    x = 770,549,633,434,509,952/1,002,818,939.96
  6. Step 6: Final answer
    x = 768,383,606.18

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1.5x scale

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.