Home / 288,252,316.80-432,378,475.20-274,860,003.60

Finding the Fourth Proportional to 288,252,316.80, 432,378,475.20 and 274,860,003.60

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Solution

The fourth proportional to 288,252,316.80, 432,378,475.20 and 274,860,003.60 is: 412,290,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,252,316.80 : 432,378,475.20 = 274,860,003.60 : x
  2. Step 2: Convert to fraction form
    288,252,316.80/432,378,475.20 = 274,860,003.60/x
  3. Step 3: Cross multiply
    288,252,316.80x = 432,378,475.20 × 274,860,003.60
  4. Step 4: Simplify right side
    288,252,316.80x = 118,843,549,250,034,512
  5. Step 5: Solve for x
    x = 118,843,549,250,034,512/288,252,316.80
  6. Step 6: Final answer
    x = 412,290,005.40

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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.