Home / 736,850,971.94-1,016,846,629.20-402,322,457.55

Finding the Fourth Proportional to 736,850,971.94, 1,016,846,629.20 and 402,322,457.55

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Solution

The fourth proportional to 736,850,971.94, 1,016,846,629.20 and 402,322,457.55 is: 555,200,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,850,971.94 : 1,016,846,629.20 = 402,322,457.55 : x
  2. Step 2: Convert to fraction form
    736,850,971.94/1,016,846,629.20 = 402,322,457.55/x
  3. Step 3: Cross multiply
    736,850,971.94x = 1,016,846,629.20 × 402,322,457.55
  4. Step 4: Simplify right side
    736,850,971.94x = 409,100,234,804,437,184
  5. Step 5: Solve for x
    x = 409,100,234,804,437,184/736,850,971.94
  6. Step 6: Final answer
    x = 555,200,780.60

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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.