Home / 1,015,378,266.81-1,401,012,179.39-586,208,119.13

Finding the Fourth Proportional to 1,015,378,266.81, 1,401,012,179.39 and 586,208,119.13

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Solution

The fourth proportional to 1,015,378,266.81, 1,401,012,179.39 and 586,208,119.13 is: 808,846,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,378,266.81 : 1,401,012,179.39 = 586,208,119.13 : x
  2. Step 2: Convert to fraction form
    1,015,378,266.81/1,401,012,179.39 = 586,208,119.13/x
  3. Step 3: Cross multiply
    1,015,378,266.81x = 1,401,012,179.39 × 586,208,119.13
  4. Step 4: Simplify right side
    1,015,378,266.81x = 821,284,714,552,894,464
  5. Step 5: Solve for x
    x = 821,284,714,552,894,464/1,015,378,266.81
  6. Step 6: Final answer
    x = 808,846,063.97

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Double scale
Find fourth proportional to 1,015,378,267.81, 1,401,012,180.77 and 586,208,120.13
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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.