Home / 1,121,689,062.60-1,682,533,593.90-930,586,086.60

Finding the Fourth Proportional to 1,121,689,062.60, 1,682,533,593.90 and 930,586,086.60

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Solution

The fourth proportional to 1,121,689,062.60, 1,682,533,593.90 and 930,586,086.60 is: 1,395,879,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,689,062.60 : 1,682,533,593.90 = 930,586,086.60 : x
  2. Step 2: Convert to fraction form
    1,121,689,062.60/1,682,533,593.90 = 930,586,086.60/x
  3. Step 3: Cross multiply
    1,121,689,062.60x = 1,682,533,593.90 × 930,586,086.60
  4. Step 4: Simplify right side
    1,121,689,062.60x = 1,565,742,352,720,434,688
  5. Step 5: Solve for x
    x = 1,565,742,352,720,434,688/1,121,689,062.60
  6. Step 6: Final answer
    x = 1,395,879,129.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.