Home / 1,219,205,701.27-1,682,550,115.95-683,367,270.40

Finding the Fourth Proportional to 1,219,205,701.27, 1,682,550,115.95 and 683,367,270.40

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Solution

The fourth proportional to 1,219,205,701.27, 1,682,550,115.95 and 683,367,270.40 is: 943,072,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,205,701.27 : 1,682,550,115.95 = 683,367,270.40 : x
  2. Step 2: Convert to fraction form
    1,219,205,701.27/1,682,550,115.95 = 683,367,270.40/x
  3. Step 3: Cross multiply
    1,219,205,701.27x = 1,682,550,115.95 × 683,367,270.40
  4. Step 4: Simplify right side
    1,219,205,701.27x = 1,149,799,680,047,954,944
  5. Step 5: Solve for x
    x = 1,149,799,680,047,954,944/1,219,205,701.27
  6. Step 6: Final answer
    x = 943,072,755.36

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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.