Home / 936,626,380.70-1,292,543,395.62-513,250,365.38

Finding the Fourth Proportional to 936,626,380.70, 1,292,543,395.62 and 513,250,365.38

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Solution

The fourth proportional to 936,626,380.70, 1,292,543,395.62 and 513,250,365.38 is: 708,284,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,626,380.70 : 1,292,543,395.62 = 513,250,365.38 : x
  2. Step 2: Convert to fraction form
    936,626,380.70/1,292,543,395.62 = 513,250,365.38/x
  3. Step 3: Cross multiply
    936,626,380.70x = 1,292,543,395.62 × 513,250,365.38
  4. Step 4: Simplify right side
    936,626,380.70x = 663,398,370,071,470,848
  5. Step 5: Solve for x
    x = 663,398,370,071,470,848/936,626,380.70
  6. Step 6: Final answer
    x = 708,284,950.91

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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.