Home / 783,040,497.96-1,080,290,051.04-448,334,140.20

Finding the Fourth Proportional to 783,040,497.96, 1,080,290,051.04 and 448,334,140.20

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Solution

The fourth proportional to 783,040,497.96, 1,080,290,051.04 and 448,334,140.20 is: 618,526,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,040,497.96 : 1,080,290,051.04 = 448,334,140.20 : x
  2. Step 2: Convert to fraction form
    783,040,497.96/1,080,290,051.04 = 448,334,140.20/x
  3. Step 3: Cross multiply
    783,040,497.96x = 1,080,290,051.04 × 448,334,140.20
  4. Step 4: Simplify right side
    783,040,497.96x = 484,330,911,199,632,512
  5. Step 5: Solve for x
    x = 484,330,911,199,632,512/783,040,497.96
  6. Step 6: Final answer
    x = 618,526,005.31

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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.