Home / 1,142,670,301,215.80-1,576,885,273,069.40-628,836,095,684.56

Finding the Fourth Proportional to 1,142,670,301,215.80, 1,576,885,273,069.40 and 628,836,095,684.56

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Solution

The fourth proportional to 1,142,670,301,215.80, 1,576,885,273,069.40 and 628,836,095,684.56 is: 867,793,953,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,670,301,215.80 : 1,576,885,273,069.40 = 628,836,095,684.56 : x
  2. Step 2: Convert to fraction form
    1,142,670,301,215.80/1,576,885,273,069.40 = 628,836,095,684.56/x
  3. Step 3: Cross multiply
    1,142,670,301,215.80x = 1,576,885,273,069.40 × 628,836,095,684.56
  4. Step 4: Simplify right side
    1,142,670,301,215.80x = 991,602,378,459,442,791,317,504
  5. Step 5: Solve for x
    x = 991,602,378,459,442,791,317,504/1,142,670,301,215.80
  6. Step 6: Final answer
    x = 867,793,953,692.84

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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.