Home / 958,079,777.76-1,322,167,312.80-561,888,519.12

Finding the Fourth Proportional to 958,079,777.76, 1,322,167,312.80 and 561,888,519.12

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Solution

The fourth proportional to 958,079,777.76, 1,322,167,312.80 and 561,888,519.12 is: 775,416,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,079,777.76 : 1,322,167,312.80 = 561,888,519.12 : x
  2. Step 2: Convert to fraction form
    958,079,777.76/1,322,167,312.80 = 561,888,519.12/x
  3. Step 3: Cross multiply
    958,079,777.76x = 1,322,167,312.80 × 561,888,519.12
  4. Step 4: Simplify right side
    958,079,777.76x = 742,910,633,418,061,824
  5. Step 5: Solve for x
    x = 742,910,633,418,061,824/958,079,777.76
  6. Step 6: Final answer
    x = 775,416,255.16

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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.