Home / 5,129,030,784.31-7,078,134,768.96-2,955,193,144.94

Finding the Fourth Proportional to 5,129,030,784.31, 7,078,134,768.96 and 2,955,193,144.94

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Solution

The fourth proportional to 5,129,030,784.31, 7,078,134,768.96 and 2,955,193,144.94 is: 4,078,208,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,030,784.31 : 7,078,134,768.96 = 2,955,193,144.94 : x
  2. Step 2: Convert to fraction form
    5,129,030,784.31/7,078,134,768.96 = 2,955,193,144.94/x
  3. Step 3: Cross multiply
    5,129,030,784.31x = 7,078,134,768.96 × 2,955,193,144.94
  4. Step 4: Simplify right side
    5,129,030,784.31x = 20,917,255,348,180,348,928
  5. Step 5: Solve for x
    x = 20,917,255,348,180,348,928/5,129,030,784.31
  6. Step 6: Final answer
    x = 4,078,208,189.39

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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.