Home / 509,184,067.60-763,776,101.40-186,299,664.40

Finding the Fourth Proportional to 509,184,067.60, 763,776,101.40 and 186,299,664.40

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Solution

The fourth proportional to 509,184,067.60, 763,776,101.40 and 186,299,664.40 is: 279,449,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,184,067.60 : 763,776,101.40 = 186,299,664.40 : x
  2. Step 2: Convert to fraction form
    509,184,067.60/763,776,101.40 = 186,299,664.40/x
  3. Step 3: Cross multiply
    509,184,067.60x = 763,776,101.40 × 186,299,664.40
  4. Step 4: Simplify right side
    509,184,067.60x = 142,291,231,367,560,368
  5. Step 5: Solve for x
    x = 142,291,231,367,560,368/509,184,067.60
  6. Step 6: Final answer
    x = 279,449,496.60

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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.