Home / 892,400,726.64-1,230,215,060.76-623,642,137.32

Finding the Fourth Proportional to 892,400,726.64, 1,230,215,060.76 and 623,642,137.32

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Solution

The fourth proportional to 892,400,726.64, 1,230,215,060.76 and 623,642,137.32 is: 859,719,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,400,726.64 : 1,230,215,060.76 = 623,642,137.32 : x
  2. Step 2: Convert to fraction form
    892,400,726.64/1,230,215,060.76 = 623,642,137.32/x
  3. Step 3: Cross multiply
    892,400,726.64x = 1,230,215,060.76 × 623,642,137.32
  4. Step 4: Simplify right side
    892,400,726.64x = 767,213,949,855,620,096
  5. Step 5: Solve for x
    x = 767,213,949,855,620,096/892,400,726.64
  6. Step 6: Final answer
    x = 859,719,100.35

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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.