Home / 13,902,725,128.56-19,185,625,793.88-7,559,092,875.12

Finding the Fourth Proportional to 13,902,725,128.56, 19,185,625,793.88 and 7,559,092,875.12

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Solution

The fourth proportional to 13,902,725,128.56, 19,185,625,793.88 and 7,559,092,875.12 is: 10,431,474,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,725,128.56 : 19,185,625,793.88 = 7,559,092,875.12 : x
  2. Step 2: Convert to fraction form
    13,902,725,128.56/19,185,625,793.88 = 7,559,092,875.12/x
  3. Step 3: Cross multiply
    13,902,725,128.56x = 19,185,625,793.88 × 7,559,092,875.12
  4. Step 4: Simplify right side
    13,902,725,128.56x = 145,025,927,243,236,802,560
  5. Step 5: Solve for x
    x = 145,025,927,243,236,802,560/13,902,725,128.56
  6. Step 6: Final answer
    x = 10,431,474,829.73

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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.