Home / 989,298,646,289.15-1,483,098,074,249.90-343,820,412,072.90

Finding the Fourth Proportional to 989,298,646,289.15, 1,483,098,074,249.90 and 343,820,412,072.90

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Solution

The fourth proportional to 989,298,646,289.15, 1,483,098,074,249.90 and 343,820,412,072.90 is: 515,435,245,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,298,646,289.15 : 1,483,098,074,249.90 = 343,820,412,072.90 : x
  2. Step 2: Convert to fraction form
    989,298,646,289.15/1,483,098,074,249.90 = 343,820,412,072.90/x
  3. Step 3: Cross multiply
    989,298,646,289.15x = 1,483,098,074,249.90 × 343,820,412,072.90
  4. Step 4: Simplify right side
    989,298,646,289.15x = 509,919,391,033,125,081,448,448
  5. Step 5: Solve for x
    x = 509,919,391,033,125,081,448,448/989,298,646,289.15
  6. Step 6: Final answer
    x = 515,435,245,914.70

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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.