Home / 1,299,145,263.81-1,792,855,716.35-734,714,549.90

Finding the Fourth Proportional to 1,299,145,263.81, 1,792,855,716.35 and 734,714,549.90

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Solution

The fourth proportional to 1,299,145,263.81, 1,792,855,716.35 and 734,714,549.90 is: 1,013,926,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,145,263.81 : 1,792,855,716.35 = 734,714,549.90 : x
  2. Step 2: Convert to fraction form
    1,299,145,263.81/1,792,855,716.35 = 734,714,549.90/x
  3. Step 3: Cross multiply
    1,299,145,263.81x = 1,792,855,716.35 × 734,714,549.90
  4. Step 4: Simplify right side
    1,299,145,263.81x = 1,317,237,180,673,732,096
  5. Step 5: Solve for x
    x = 1,317,237,180,673,732,096/1,299,145,263.81
  6. Step 6: Final answer
    x = 1,013,926,015.33

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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.