Home / 509,763,456,010.40-764,645,184,015.60-245,284,402,186.40

Finding the Fourth Proportional to 509,763,456,010.40, 764,645,184,015.60 and 245,284,402,186.40

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Solution

The fourth proportional to 509,763,456,010.40, 764,645,184,015.60 and 245,284,402,186.40 is: 367,926,603,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,763,456,010.40 : 764,645,184,015.60 = 245,284,402,186.40 : x
  2. Step 2: Convert to fraction form
    509,763,456,010.40/764,645,184,015.60 = 245,284,402,186.40/x
  3. Step 3: Cross multiply
    509,763,456,010.40x = 764,645,184,015.60 × 245,284,402,186.40
  4. Step 4: Simplify right side
    509,763,456,010.40x = 187,555,536,845,976,247,468,032
  5. Step 5: Solve for x
    x = 187,555,536,845,976,247,468,032/509,763,456,010.40
  6. Step 6: Final answer
    x = 367,926,603,279.60

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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.