Home / 482,819,681.28-724,222,441.44-119,314,041.60

Finding the Fourth Proportional to 482,819,681.28, 724,222,441.44 and 119,314,041.60

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Solution

The fourth proportional to 482,819,681.28, 724,222,441.44 and 119,314,041.60 is: 178,969,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,819,681.28 : 724,222,441.44 = 119,314,041.60 : x
  2. Step 2: Convert to fraction form
    482,819,681.28/724,222,441.44 = 119,314,041.60/x
  3. Step 3: Cross multiply
    482,819,681.28x = 724,222,441.44 × 119,314,041.60
  4. Step 4: Simplify right side
    482,819,681.28x = 86,409,906,505,625,728
  5. Step 5: Solve for x
    x = 86,409,906,505,625,728/482,819,681.28
  6. Step 6: Final answer
    x = 178,969,312.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.