Home / 1,120,366,814.10-1,679,416,480.35-660,068,049.30

Finding the Fourth Proportional to 1,120,366,814.10, 1,679,416,480.35 and 660,068,049.30

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Solution

The fourth proportional to 1,120,366,814.10, 1,679,416,480.35 and 660,068,049.30 is: 989,434,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,366,814.10 : 1,679,416,480.35 = 660,068,049.30 : x
  2. Step 2: Convert to fraction form
    1,120,366,814.10/1,679,416,480.35 = 660,068,049.30/x
  3. Step 3: Cross multiply
    1,120,366,814.10x = 1,679,416,480.35 × 660,068,049.30
  4. Step 4: Simplify right side
    1,120,366,814.10x = 1,108,529,160,146,896,128
  5. Step 5: Solve for x
    x = 1,108,529,160,146,896,128/1,120,366,814.10
  6. Step 6: Final answer
    x = 989,434,126.57

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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.