Home / 13,153,212,842.40-19,729,819,263.60-10,363,785,321.60

Finding the Fourth Proportional to 13,153,212,842.40, 19,729,819,263.60 and 10,363,785,321.60

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Solution

The fourth proportional to 13,153,212,842.40, 19,729,819,263.60 and 10,363,785,321.60 is: 15,545,677,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,212,842.40 : 19,729,819,263.60 = 10,363,785,321.60 : x
  2. Step 2: Convert to fraction form
    13,153,212,842.40/19,729,819,263.60 = 10,363,785,321.60/x
  3. Step 3: Cross multiply
    13,153,212,842.40x = 19,729,819,263.60 × 10,363,785,321.60
  4. Step 4: Simplify right side
    13,153,212,842.40x = 204,475,611,281,918,590,976
  5. Step 5: Solve for x
    x = 204,475,611,281,918,590,976/13,153,212,842.40
  6. Step 6: Final answer
    x = 15,545,677,982.40

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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.