Home / 841,456,588.64-1,262,125,020.60-259,130,112.89

Finding the Fourth Proportional to 841,456,588.64, 1,262,125,020.60 and 259,130,112.89

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Solution

The fourth proportional to 841,456,588.64, 1,262,125,020.60 and 259,130,112.89 is: 388,676,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,456,588.64 : 1,262,125,020.60 = 259,130,112.89 : x
  2. Step 2: Convert to fraction form
    841,456,588.64/1,262,125,020.60 = 259,130,112.89/x
  3. Step 3: Cross multiply
    841,456,588.64x = 1,262,125,020.60 × 259,130,112.89
  4. Step 4: Simplify right side
    841,456,588.64x = 327,054,599,063,060,928
  5. Step 5: Solve for x
    x = 327,054,599,063,060,928/841,456,588.64
  6. Step 6: Final answer
    x = 388,676,734.46

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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.