Home / 427,480,857,142-590,124,430,620.12-247,004,854,030.96

Finding the Fourth Proportional to 427,480,857,142, 590,124,430,620.12 and 247,004,854,030.96

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Solution

The fourth proportional to 427,480,857,142, 590,124,430,620.12 and 247,004,854,030.96 is: 340,982,751,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,480,857,142 : 590,124,430,620.12 = 247,004,854,030.96 : x
  2. Step 2: Convert to fraction form
    427,480,857,142/590,124,430,620.12 = 247,004,854,030.96/x
  3. Step 3: Cross multiply
    427,480,857,142x = 590,124,430,620.12 × 247,004,854,030.96
  4. Step 4: Simplify right side
    427,480,857,142x = 145,763,598,845,426,121,310,208
  5. Step 5: Solve for x
    x = 145,763,598,845,426,121,310,208/427,480,857,142
  6. Step 6: Final answer
    x = 340,982,751,414.78

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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.