Home / 263,778,879.60-395,483,999.40-156,018,034.80

Finding the Fourth Proportional to 263,778,879.60, 395,483,999.40 and 156,018,034.80

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Solution

The fourth proportional to 263,778,879.60, 395,483,999.40 and 156,018,034.80 is: 233,918,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,778,879.60 : 395,483,999.40 = 156,018,034.80 : x
  2. Step 2: Convert to fraction form
    263,778,879.60/395,483,999.40 = 156,018,034.80/x
  3. Step 3: Cross multiply
    263,778,879.60x = 395,483,999.40 × 156,018,034.80
  4. Step 4: Simplify right side
    263,778,879.60x = 61,702,636,381,232,384
  5. Step 5: Solve for x
    x = 61,702,636,381,232,384/263,778,879.60
  6. Step 6: Final answer
    x = 233,918,031.93

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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.