Home / 1,821,401,817.39-2,513,535,348.95-986,026,387.98

Finding the Fourth Proportional to 1,821,401,817.39, 2,513,535,348.95 and 986,026,387.98

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Solution

The fourth proportional to 1,821,401,817.39, 2,513,535,348.95 and 986,026,387.98 is: 1,360,716,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,401,817.39 : 2,513,535,348.95 = 986,026,387.98 : x
  2. Step 2: Convert to fraction form
    1,821,401,817.39/2,513,535,348.95 = 986,026,387.98/x
  3. Step 3: Cross multiply
    1,821,401,817.39x = 2,513,535,348.95 × 986,026,387.98
  4. Step 4: Simplify right side
    1,821,401,817.39x = 2,478,412,181,198,906,368
  5. Step 5: Solve for x
    x = 2,478,412,181,198,906,368/1,821,401,817.39
  6. Step 6: Final answer
    x = 1,360,716,870.67

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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.