Home / 936,626,379.70-1,292,543,394.24-513,250,364.38

Finding the Fourth Proportional to 936,626,379.70, 1,292,543,394.24 and 513,250,364.38

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Solution

The fourth proportional to 936,626,379.70, 1,292,543,394.24 and 513,250,364.38 is: 708,284,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,626,379.70 : 1,292,543,394.24 = 513,250,364.38 : x
  2. Step 2: Convert to fraction form
    936,626,379.70/1,292,543,394.24 = 513,250,364.38/x
  3. Step 3: Cross multiply
    936,626,379.70x = 1,292,543,394.24 × 513,250,364.38
  4. Step 4: Simplify right side
    936,626,379.70x = 663,398,368,070,642,048
  5. Step 5: Solve for x
    x = 663,398,368,070,642,048/936,626,379.70
  6. Step 6: Final answer
    x = 708,284,949.53

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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.