Home / 783,045,072.42-1,080,630,611.80-448,582,236.21

Finding the Fourth Proportional to 783,045,072.42, 1,080,630,611.80 and 448,582,236.21

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Solution

The fourth proportional to 783,045,072.42, 1,080,630,611.80 and 448,582,236.21 is: 619,059,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,072.42 : 1,080,630,611.80 = 448,582,236.21 : x
  2. Step 2: Convert to fraction form
    783,045,072.42/1,080,630,611.80 = 448,582,236.21/x
  3. Step 3: Cross multiply
    783,045,072.42x = 1,080,630,611.80 × 448,582,236.21
  4. Step 4: Simplify right side
    783,045,072.42x = 484,751,696,358,224,384
  5. Step 5: Solve for x
    x = 484,751,696,358,224,384/783,045,072.42
  6. Step 6: Final answer
    x = 619,059,762.24

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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.