Home / 1,508,433,878.53-2,080,459,477.06-979,968,135.30

Finding the Fourth Proportional to 1,508,433,878.53, 2,080,459,477.06 and 979,968,135.30

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Solution

The fourth proportional to 1,508,433,878.53, 2,080,459,477.06 and 979,968,135.30 is: 1,351,589,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,433,878.53 : 2,080,459,477.06 = 979,968,135.30 : x
  2. Step 2: Convert to fraction form
    1,508,433,878.53/2,080,459,477.06 = 979,968,135.30/x
  3. Step 3: Cross multiply
    1,508,433,878.53x = 2,080,459,477.06 × 979,968,135.30
  4. Step 4: Simplify right side
    1,508,433,878.53x = 2,038,783,994,301,701,120
  5. Step 5: Solve for x
    x = 2,038,783,994,301,701,120/1,508,433,878.53
  6. Step 6: Final answer
    x = 1,351,589,899.51

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Double scale
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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.