Home / 1,219,205,702.27-1,682,550,117.33-683,367,271.40

Finding the Fourth Proportional to 1,219,205,702.27, 1,682,550,117.33 and 683,367,271.40

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Solution

The fourth proportional to 1,219,205,702.27, 1,682,550,117.33 and 683,367,271.40 is: 943,072,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,205,702.27 : 1,682,550,117.33 = 683,367,271.40 : x
  2. Step 2: Convert to fraction form
    1,219,205,702.27/1,682,550,117.33 = 683,367,271.40/x
  3. Step 3: Cross multiply
    1,219,205,702.27x = 1,682,550,117.33 × 683,367,271.40
  4. Step 4: Simplify right side
    1,219,205,702.27x = 1,149,799,682,673,551,872
  5. Step 5: Solve for x
    x = 1,149,799,682,673,551,872/1,219,205,702.27
  6. Step 6: Final answer
    x = 943,072,756.74

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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.