Home / 1,010,474,609.52-1,394,457,122.22-570,441,461.52

Finding the Fourth Proportional to 1,010,474,609.52, 1,394,457,122.22 and 570,441,461.52

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Solution

The fourth proportional to 1,010,474,609.52, 1,394,457,122.22 and 570,441,461.52 is: 787,210,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,474,609.52 : 1,394,457,122.22 = 570,441,461.52 : x
  2. Step 2: Convert to fraction form
    1,010,474,609.52/1,394,457,122.22 = 570,441,461.52/x
  3. Step 3: Cross multiply
    1,010,474,609.52x = 1,394,457,122.22 × 570,441,461.52
  4. Step 4: Simplify right side
    1,010,474,609.52x = 795,456,158,826,150,016
  5. Step 5: Solve for x
    x = 795,456,158,826,150,016/1,010,474,609.52
  6. Step 6: Final answer
    x = 787,210,436.89

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1.5x scale

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.