Home / 989,298,646,295.86-1,483,098,074,260-343,820,412,079.72

Finding the Fourth Proportional to 989,298,646,295.86, 1,483,098,074,260 and 343,820,412,079.72

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Solution

The fourth proportional to 989,298,646,295.86, 1,483,098,074,260 and 343,820,412,079.72 is: 515,435,245,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,298,646,295.86 : 1,483,098,074,260 = 343,820,412,079.72 : x
  2. Step 2: Convert to fraction form
    989,298,646,295.86/1,483,098,074,260 = 343,820,412,079.72/x
  3. Step 3: Cross multiply
    989,298,646,295.86x = 1,483,098,074,260 × 343,820,412,079.72
  4. Step 4: Simplify right side
    989,298,646,295.86x = 509,919,391,046,712,344,707,072
  5. Step 5: Solve for x
    x = 509,919,391,046,712,344,707,072/989,298,646,295.86
  6. Step 6: Final answer
    x = 515,435,245,924.94

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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.