Home / 3,180,414,135.52-4,771,138,399.68-939,688,818.40

Finding the Fourth Proportional to 3,180,414,135.52, 4,771,138,399.68 and 939,688,818.40

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Solution

The fourth proportional to 3,180,414,135.52, 4,771,138,399.68 and 939,688,818.40 is: 1,409,686,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,414,135.52 : 4,771,138,399.68 = 939,688,818.40 : x
  2. Step 2: Convert to fraction form
    3,180,414,135.52/4,771,138,399.68 = 939,688,818.40/x
  3. Step 3: Cross multiply
    3,180,414,135.52x = 4,771,138,399.68 × 939,688,818.40
  4. Step 4: Simplify right side
    3,180,414,135.52x = 4,483,385,405,218,166,272
  5. Step 5: Solve for x
    x = 4,483,385,405,218,166,272/3,180,414,135.52
  6. Step 6: Final answer
    x = 1,409,686,039.04

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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.