Home / 321,824,248,368.76-482,720,325,804.78-120,351,171,552.76

Finding the Fourth Proportional to 321,824,248,368.76, 482,720,325,804.78 and 120,351,171,552.76

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Solution

The fourth proportional to 321,824,248,368.76, 482,720,325,804.78 and 120,351,171,552.76 is: 180,520,756,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,824,248,368.76 : 482,720,325,804.78 = 120,351,171,552.76 : x
  2. Step 2: Convert to fraction form
    321,824,248,368.76/482,720,325,804.78 = 120,351,171,552.76/x
  3. Step 3: Cross multiply
    321,824,248,368.76x = 482,720,325,804.78 × 120,351,171,552.76
  4. Step 4: Simplify right side
    321,824,248,368.76x = 58,095,956,742,935,278,518,272
  5. Step 5: Solve for x
    x = 58,095,956,742,935,278,518,272/321,824,248,368.76
  6. Step 6: Final answer
    x = 180,520,756,398.59

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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.