Home / 765,805,276.80-1,148,731,282.16-299,448,074.88

Finding the Fourth Proportional to 765,805,276.80, 1,148,731,282.16 and 299,448,074.88

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Solution

The fourth proportional to 765,805,276.80, 1,148,731,282.16 and 299,448,074.88 is: 449,181,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,805,276.80 : 1,148,731,282.16 = 299,448,074.88 : x
  2. Step 2: Convert to fraction form
    765,805,276.80/1,148,731,282.16 = 299,448,074.88/x
  3. Step 3: Cross multiply
    765,805,276.80x = 1,148,731,282.16 × 299,448,074.88
  4. Step 4: Simplify right side
    765,805,276.80x = 343,985,370,997,246,080
  5. Step 5: Solve for x
    x = 343,985,370,997,246,080/765,805,276.80
  6. Step 6: Final answer
    x = 449,181,249.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.