Home / 989,298,646,293.76-1,483,098,074,256.80-343,820,412,077.56

Finding the Fourth Proportional to 989,298,646,293.76, 1,483,098,074,256.80 and 343,820,412,077.56

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Solution

The fourth proportional to 989,298,646,293.76, 1,483,098,074,256.80 and 343,820,412,077.56 is: 515,435,245,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,298,646,293.76 : 1,483,098,074,256.80 = 343,820,412,077.56 : x
  2. Step 2: Convert to fraction form
    989,298,646,293.76/1,483,098,074,256.80 = 343,820,412,077.56/x
  3. Step 3: Cross multiply
    989,298,646,293.76x = 1,483,098,074,256.80 × 343,820,412,077.56
  4. Step 4: Simplify right side
    989,298,646,293.76x = 509,919,391,042,408,653,258,752
  5. Step 5: Solve for x
    x = 509,919,391,042,408,653,258,752/989,298,646,293.76
  6. Step 6: Final answer
    x = 515,435,245,921.68

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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.