Home / 783,045,068.70-1,080,630,606.66-448,582,232.48

Finding the Fourth Proportional to 783,045,068.70, 1,080,630,606.66 and 448,582,232.48

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Solution

The fourth proportional to 783,045,068.70, 1,080,630,606.66 and 448,582,232.48 is: 619,059,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,068.70 : 1,080,630,606.66 = 448,582,232.48 : x
  2. Step 2: Convert to fraction form
    783,045,068.70/1,080,630,606.66 = 448,582,232.48/x
  3. Step 3: Cross multiply
    783,045,068.70x = 1,080,630,606.66 × 448,582,232.48
  4. Step 4: Simplify right side
    783,045,068.70x = 484,751,690,020,884,096
  5. Step 5: Solve for x
    x = 484,751,690,020,884,096/783,045,068.70
  6. Step 6: Final answer
    x = 619,059,757.09

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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.