Home / 1,010,474,600.51-1,394,457,109.80-570,441,452.51

Finding the Fourth Proportional to 1,010,474,600.51, 1,394,457,109.80 and 570,441,452.51

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Solution

The fourth proportional to 1,010,474,600.51, 1,394,457,109.80 and 570,441,452.51 is: 787,210,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,474,600.51 : 1,394,457,109.80 = 570,441,452.51 : x
  2. Step 2: Convert to fraction form
    1,010,474,600.51/1,394,457,109.80 = 570,441,452.51/x
  3. Step 3: Cross multiply
    1,010,474,600.51x = 1,394,457,109.80 × 570,441,452.51
  4. Step 4: Simplify right side
    1,010,474,600.51x = 795,456,139,177,208,576
  5. Step 5: Solve for x
    x = 795,456,139,177,208,576/1,010,474,600.51
  6. Step 6: Final answer
    x = 787,210,424.46

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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.