Home / 845,194,191.14-1,166,193,323.72-487,955,777.34

Finding the Fourth Proportional to 845,194,191.14, 1,166,193,323.72 and 487,955,777.34

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Solution

The fourth proportional to 845,194,191.14, 1,166,193,323.72 and 487,955,777.34 is: 673,278,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,194,191.14 : 1,166,193,323.72 = 487,955,777.34 : x
  2. Step 2: Convert to fraction form
    845,194,191.14/1,166,193,323.72 = 487,955,777.34/x
  3. Step 3: Cross multiply
    845,194,191.14x = 1,166,193,323.72 × 487,955,777.34
  4. Step 4: Simplify right side
    845,194,191.14x = 569,050,769,798,673,408
  5. Step 5: Solve for x
    x = 569,050,769,798,673,408/845,194,191.14
  6. Step 6: Final answer
    x = 673,278,136.27

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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.