Home / 1,508,433,878.03-2,080,459,476.38-979,968,134.80

Finding the Fourth Proportional to 1,508,433,878.03, 2,080,459,476.38 and 979,968,134.80

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Solution

The fourth proportional to 1,508,433,878.03, 2,080,459,476.38 and 979,968,134.80 is: 1,351,589,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,433,878.03 : 2,080,459,476.38 = 979,968,134.80 : x
  2. Step 2: Convert to fraction form
    1,508,433,878.03/2,080,459,476.38 = 979,968,134.80/x
  3. Step 3: Cross multiply
    1,508,433,878.03x = 2,080,459,476.38 × 979,968,134.80
  4. Step 4: Simplify right side
    1,508,433,878.03x = 2,038,783,992,579,791,104
  5. Step 5: Solve for x
    x = 2,038,783,992,579,791,104/1,508,433,878.03
  6. Step 6: Final answer
    x = 1,351,589,898.82

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Double scale
Find fourth proportional to 1,508,433,879.03, 2,080,459,477.75 and 979,968,135.80
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1.5x scale

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.