Home / 825,129,443.76-1,237,559,623.60-242,727,483.68

Finding the Fourth Proportional to 825,129,443.76, 1,237,559,623.60 and 242,727,483.68

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Solution

The fourth proportional to 825,129,443.76, 1,237,559,623.60 and 242,727,483.68 is: 364,051,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,129,443.76 : 1,237,559,623.60 = 242,727,483.68 : x
  2. Step 2: Convert to fraction form
    825,129,443.76/1,237,559,623.60 = 242,727,483.68/x
  3. Step 3: Cross multiply
    825,129,443.76x = 1,237,559,623.60 × 242,727,483.68
  4. Step 4: Simplify right side
    825,129,443.76x = 300,389,733,340,395,904
  5. Step 5: Solve for x
    x = 300,389,733,340,395,904/825,129,443.76
  6. Step 6: Final answer
    x = 364,051,647.43

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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.