Home / 1,443,594,312.88-1,992,106,806.96-783,530,419.12

Finding the Fourth Proportional to 1,443,594,312.88, 1,992,106,806.96 and 783,530,419.12

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Solution

The fourth proportional to 1,443,594,312.88, 1,992,106,806.96 and 783,530,419.12 is: 1,081,243,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,594,312.88 : 1,992,106,806.96 = 783,530,419.12 : x
  2. Step 2: Convert to fraction form
    1,443,594,312.88/1,992,106,806.96 = 783,530,419.12/x
  3. Step 3: Cross multiply
    1,443,594,312.88x = 1,992,106,806.96 × 783,530,419.12
  4. Step 4: Simplify right side
    1,443,594,312.88x = 1,560,876,281,389,173,760
  5. Step 5: Solve for x
    x = 1,560,876,281,389,173,760/1,443,594,312.88
  6. Step 6: Final answer
    x = 1,081,243,024.76

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Double scale
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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.