Home / 1,211,270,556.80-1,816,920,253.32-337,818,782.16

Finding the Fourth Proportional to 1,211,270,556.80, 1,816,920,253.32 and 337,818,782.16

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Solution

The fourth proportional to 1,211,270,556.80, 1,816,920,253.32 and 337,818,782.16 is: 506,732,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,270,556.80 : 1,816,920,253.32 = 337,818,782.16 : x
  2. Step 2: Convert to fraction form
    1,211,270,556.80/1,816,920,253.32 = 337,818,782.16/x
  3. Step 3: Cross multiply
    1,211,270,556.80x = 1,816,920,253.32 × 337,818,782.16
  4. Step 4: Simplify right side
    1,211,270,556.80x = 613,789,787,258,401,152
  5. Step 5: Solve for x
    x = 613,789,787,258,401,152/1,211,270,556.80
  6. Step 6: Final answer
    x = 506,732,194.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.