Home / 672,681,201.21-1,009,074,625.16-181,387,074.42

Finding the Fourth Proportional to 672,681,201.21, 1,009,074,625.16 and 181,387,074.42

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Solution

The fourth proportional to 672,681,201.21, 1,009,074,625.16 and 181,387,074.42 is: 272,094,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,681,201.21 : 1,009,074,625.16 = 181,387,074.42 : x
  2. Step 2: Convert to fraction form
    672,681,201.21/1,009,074,625.16 = 181,387,074.42/x
  3. Step 3: Cross multiply
    672,681,201.21x = 1,009,074,625.16 × 181,387,074.42
  4. Step 4: Simplify right side
    672,681,201.21x = 183,033,094,128,323,584
  5. Step 5: Solve for x
    x = 183,033,094,128,323,584/672,681,201.21
  6. Step 6: Final answer
    x = 272,094,855.33

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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.