Home / 1,306,658,684.34-1,802,802,153.78-777,598,540.02

Finding the Fourth Proportional to 1,306,658,684.34, 1,802,802,153.78 and 777,598,540.02

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Solution

The fourth proportional to 1,306,658,684.34, 1,802,802,153.78 and 777,598,540.02 is: 1,072,855,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,658,684.34 : 1,802,802,153.78 = 777,598,540.02 : x
  2. Step 2: Convert to fraction form
    1,306,658,684.34/1,802,802,153.78 = 777,598,540.02/x
  3. Step 3: Cross multiply
    1,306,658,684.34x = 1,802,802,153.78 × 777,598,540.02
  4. Step 4: Simplify right side
    1,306,658,684.34x = 1,401,856,322,724,239,360
  5. Step 5: Solve for x
    x = 1,401,856,322,724,239,360/1,306,658,684.34
  6. Step 6: Final answer
    x = 1,072,855,780.57

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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.