Home / 3,009,339,147.81-4,152,389,742.67-1,739,298,397.78

Finding the Fourth Proportional to 3,009,339,147.81, 4,152,389,742.67 and 1,739,298,397.78

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Solution

The fourth proportional to 3,009,339,147.81, 4,152,389,742.67 and 1,739,298,397.78 is: 2,399,943,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,339,147.81 : 4,152,389,742.67 = 1,739,298,397.78 : x
  2. Step 2: Convert to fraction form
    3,009,339,147.81/4,152,389,742.67 = 1,739,298,397.78/x
  3. Step 3: Cross multiply
    3,009,339,147.81x = 4,152,389,742.67 × 1,739,298,397.78
  4. Step 4: Simplify right side
    3,009,339,147.81x = 7,222,244,826,354,579,456
  5. Step 5: Solve for x
    x = 7,222,244,826,354,579,456/3,009,339,147.81
  6. Step 6: Final answer
    x = 2,399,943,798.83

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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.