Home / 837,702,491.96-1,155,992,132.66-480,213,986.01

Finding the Fourth Proportional to 837,702,491.96, 1,155,992,132.66 and 480,213,986.01

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Solution

The fourth proportional to 837,702,491.96, 1,155,992,132.66 and 480,213,986.01 is: 662,673,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,702,491.96 : 1,155,992,132.66 = 480,213,986.01 : x
  2. Step 2: Convert to fraction form
    837,702,491.96/1,155,992,132.66 = 480,213,986.01/x
  3. Step 3: Cross multiply
    837,702,491.96x = 1,155,992,132.66 × 480,213,986.01
  4. Step 4: Simplify right side
    837,702,491.96x = 555,123,589,818,458,240
  5. Step 5: Solve for x
    x = 555,123,589,818,458,240/837,702,491.96
  6. Step 6: Final answer
    x = 662,673,914.84

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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.