Home / 775,729,984.32-1,070,530,093.44-423,328,683.24

Finding the Fourth Proportional to 775,729,984.32, 1,070,530,093.44 and 423,328,683.24

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Solution

The fourth proportional to 775,729,984.32, 1,070,530,093.44 and 423,328,683.24 is: 584,205,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,729,984.32 : 1,070,530,093.44 = 423,328,683.24 : x
  2. Step 2: Convert to fraction form
    775,729,984.32/1,070,530,093.44 = 423,328,683.24/x
  3. Step 3: Cross multiply
    775,729,984.32x = 1,070,530,093.44 × 423,328,683.24
  4. Step 4: Simplify right side
    775,729,984.32x = 453,186,094,824,749,376
  5. Step 5: Solve for x
    x = 453,186,094,824,749,376/775,729,984.32
  6. Step 6: Final answer
    x = 584,205,978.87

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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.