Home / 1,221,248,998.89-1,827,250,941.38-723,526,834.41

Finding the Fourth Proportional to 1,221,248,998.89, 1,827,250,941.38 and 723,526,834.41

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Solution

The fourth proportional to 1,221,248,998.89, 1,827,250,941.38 and 723,526,834.41 is: 1,082,551,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,248,998.89 : 1,827,250,941.38 = 723,526,834.41 : x
  2. Step 2: Convert to fraction form
    1,221,248,998.89/1,827,250,941.38 = 723,526,834.41/x
  3. Step 3: Cross multiply
    1,221,248,998.89x = 1,827,250,941.38 × 723,526,834.41
  4. Step 4: Simplify right side
    1,221,248,998.89x = 1,322,065,089,285,746,176
  5. Step 5: Solve for x
    x = 1,322,065,089,285,746,176/1,221,248,998.89
  6. Step 6: Final answer
    x = 1,082,551,625.83

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Double scale
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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.