Home / 783,045,075.36-1,080,630,615.87-448,582,239.15

Finding the Fourth Proportional to 783,045,075.36, 1,080,630,615.87 and 448,582,239.15

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Solution

The fourth proportional to 783,045,075.36, 1,080,630,615.87 and 448,582,239.15 is: 619,059,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,075.36 : 1,080,630,615.87 = 448,582,239.15 : x
  2. Step 2: Convert to fraction form
    783,045,075.36/1,080,630,615.87 = 448,582,239.15/x
  3. Step 3: Cross multiply
    783,045,075.36x = 1,080,630,615.87 × 448,582,239.15
  4. Step 4: Simplify right side
    783,045,075.36x = 484,751,701,361,008,064
  5. Step 5: Solve for x
    x = 484,751,701,361,008,064/783,045,075.36
  6. Step 6: Final answer
    x = 619,059,766.31

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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.