Home / 845,194,191.09-1,166,193,323.64-487,955,777.28

Finding the Fourth Proportional to 845,194,191.09, 1,166,193,323.64 and 487,955,777.28

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Solution

The fourth proportional to 845,194,191.09, 1,166,193,323.64 and 487,955,777.28 is: 673,278,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,194,191.09 : 1,166,193,323.64 = 487,955,777.28 : x
  2. Step 2: Convert to fraction form
    845,194,191.09/1,166,193,323.64 = 487,955,777.28/x
  3. Step 3: Cross multiply
    845,194,191.09x = 1,166,193,323.64 × 487,955,777.28
  4. Step 4: Simplify right side
    845,194,191.09x = 569,050,769,695,502,848
  5. Step 5: Solve for x
    x = 569,050,769,695,502,848/845,194,191.09
  6. Step 6: Final answer
    x = 673,278,136.19

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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.