Home / 1,314,867,834.53-1,814,519,361.09-712,039,496.77

Finding the Fourth Proportional to 1,314,867,834.53, 1,814,519,361.09 and 712,039,496.77

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Solution

The fourth proportional to 1,314,867,834.53, 1,814,519,361.09 and 712,039,496.77 is: 982,615,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,867,834.53 : 1,814,519,361.09 = 712,039,496.77 : x
  2. Step 2: Convert to fraction form
    1,314,867,834.53/1,814,519,361.09 = 712,039,496.77/x
  3. Step 3: Cross multiply
    1,314,867,834.53x = 1,814,519,361.09 × 712,039,496.77
  4. Step 4: Simplify right side
    1,314,867,834.53x = 1,292,009,452,754,919,424
  5. Step 5: Solve for x
    x = 1,292,009,452,754,919,424/1,314,867,834.53
  6. Step 6: Final answer
    x = 982,615,452.92

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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.