Home / 1,274,212,959,897.60-1,758,414,590,059.70-688,262,802,532.79

Finding the Fourth Proportional to 1,274,212,959,897.60, 1,758,414,590,059.70 and 688,262,802,532.79

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Solution

The fourth proportional to 1,274,212,959,897.60, 1,758,414,590,059.70 and 688,262,802,532.79 is: 949,803,048,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,212,959,897.60 : 1,758,414,590,059.70 = 688,262,802,532.79 : x
  2. Step 2: Convert to fraction form
    1,274,212,959,897.60/1,758,414,590,059.70 = 688,262,802,532.79/x
  3. Step 3: Cross multiply
    1,274,212,959,897.60x = 1,758,414,590,059.70 × 688,262,802,532.79
  4. Step 4: Simplify right side
    1,274,212,959,897.60x = 1,210,251,353,769,036,090,441,728
  5. Step 5: Solve for x
    x = 1,210,251,353,769,036,090,441,728/1,274,212,959,897.60
  6. Step 6: Final answer
    x = 949,803,048,515.76

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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.