Home / 672,048,212.40-1,008,072,318.60-187,374,020.40

Finding the Fourth Proportional to 672,048,212.40, 1,008,072,318.60 and 187,374,020.40

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Solution

The fourth proportional to 672,048,212.40, 1,008,072,318.60 and 187,374,020.40 is: 281,061,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,048,212.40 : 1,008,072,318.60 = 187,374,020.40 : x
  2. Step 2: Convert to fraction form
    672,048,212.40/1,008,072,318.60 = 187,374,020.40/x
  3. Step 3: Cross multiply
    672,048,212.40x = 1,008,072,318.60 × 187,374,020.40
  4. Step 4: Simplify right side
    672,048,212.40x = 188,886,563,190,031,712
  5. Step 5: Solve for x
    x = 188,886,563,190,031,712/672,048,212.40
  6. Step 6: Final answer
    x = 281,061,030.60

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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.