Home / 1,508,433,877.53-2,080,459,475.69-979,968,134.30

Finding the Fourth Proportional to 1,508,433,877.53, 2,080,459,475.69 and 979,968,134.30

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Solution

The fourth proportional to 1,508,433,877.53, 2,080,459,475.69 and 979,968,134.30 is: 1,351,589,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,433,877.53 : 2,080,459,475.69 = 979,968,134.30 : x
  2. Step 2: Convert to fraction form
    1,508,433,877.53/2,080,459,475.69 = 979,968,134.30/x
  3. Step 3: Cross multiply
    1,508,433,877.53x = 2,080,459,475.69 × 979,968,134.30
  4. Step 4: Simplify right side
    1,508,433,877.53x = 2,038,783,990,863,383,296
  5. Step 5: Solve for x
    x = 2,038,783,990,863,383,296/1,508,433,877.53
  6. Step 6: Final answer
    x = 1,351,589,898.13

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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.