Home / 1,020,193,077,538.70-1,530,504,536,406.80-330,941,264,172.12

Finding the Fourth Proportional to 1,020,193,077,538.70, 1,530,504,536,406.80 and 330,941,264,172.12

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Solution

The fourth proportional to 1,020,193,077,538.70, 1,530,504,536,406.80 and 330,941,264,172.12 is: 496,481,614,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,193,077,538.70 : 1,530,504,536,406.80 = 330,941,264,172.12 : x
  2. Step 2: Convert to fraction form
    1,020,193,077,538.70/1,530,504,536,406.80 = 330,941,264,172.12/x
  3. Step 3: Cross multiply
    1,020,193,077,538.70x = 1,530,504,536,406.80 × 330,941,264,172.12
  4. Step 4: Simplify right side
    1,020,193,077,538.70x = 506,507,106,099,630,868,267,008
  5. Step 5: Solve for x
    x = 506,507,106,099,630,868,267,008/1,020,193,077,538.70
  6. Step 6: Final answer
    x = 496,481,614,364.24

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Double scale
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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.