Home / 751,864,803.12-1,128,028,135.59-358,893,080.76

Finding the Fourth Proportional to 751,864,803.12, 1,128,028,135.59 and 358,893,080.76

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Solution

The fourth proportional to 751,864,803.12, 1,128,028,135.59 and 358,893,080.76 is: 538,449,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,864,803.12 : 1,128,028,135.59 = 358,893,080.76 : x
  2. Step 2: Convert to fraction form
    751,864,803.12/1,128,028,135.59 = 358,893,080.76/x
  3. Step 3: Cross multiply
    751,864,803.12x = 1,128,028,135.59 × 358,893,080.76
  4. Step 4: Simplify right side
    751,864,803.12x = 404,841,492,765,854,080
  5. Step 5: Solve for x
    x = 404,841,492,765,854,080/751,864,803.12
  6. Step 6: Final answer
    x = 538,449,853.07

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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.