Home / 1,010,474,605.52-1,394,457,116.70-570,441,457.52

Finding the Fourth Proportional to 1,010,474,605.52, 1,394,457,116.70 and 570,441,457.52

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Solution

The fourth proportional to 1,010,474,605.52, 1,394,457,116.70 and 570,441,457.52 is: 787,210,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,474,605.52 : 1,394,457,116.70 = 570,441,457.52 : x
  2. Step 2: Convert to fraction form
    1,010,474,605.52/1,394,457,116.70 = 570,441,457.52/x
  3. Step 3: Cross multiply
    1,010,474,605.52x = 1,394,457,116.70 × 570,441,457.52
  4. Step 4: Simplify right side
    1,010,474,605.52x = 795,456,150,099,484,672
  5. Step 5: Solve for x
    x = 795,456,150,099,484,672/1,010,474,605.52
  6. Step 6: Final answer
    x = 787,210,431.37

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Double scale
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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.