Home / 783,045,075.74-1,080,630,616.36-448,582,239.52

Finding the Fourth Proportional to 783,045,075.74, 1,080,630,616.36 and 448,582,239.52

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Solution

The fourth proportional to 783,045,075.74, 1,080,630,616.36 and 448,582,239.52 is: 619,059,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,075.74 : 1,080,630,616.36 = 448,582,239.52 : x
  2. Step 2: Convert to fraction form
    783,045,075.74/1,080,630,616.36 = 448,582,239.52/x
  3. Step 3: Cross multiply
    783,045,075.74x = 1,080,630,616.36 × 448,582,239.52
  4. Step 4: Simplify right side
    783,045,075.74x = 484,751,701,980,646,656
  5. Step 5: Solve for x
    x = 484,751,701,980,646,656/783,045,075.74
  6. Step 6: Final answer
    x = 619,059,766.80

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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.