Home / 265,757,999.60-398,636,999.40-263,966,409.20

Finding the Fourth Proportional to 265,757,999.60, 398,636,999.40 and 263,966,409.20

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Solution

The fourth proportional to 265,757,999.60, 398,636,999.40 and 263,966,409.20 is: 395,949,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,757,999.60 : 398,636,999.40 = 263,966,409.20 : x
  2. Step 2: Convert to fraction form
    265,757,999.60/398,636,999.40 = 263,966,409.20/x
  3. Step 3: Cross multiply
    265,757,999.60x = 398,636,999.40 × 263,966,409.20
  4. Step 4: Simplify right side
    265,757,999.60x = 105,226,777,305,880,544
  5. Step 5: Solve for x
    x = 105,226,777,305,880,544/265,757,999.60
  6. Step 6: Final answer
    x = 395,949,613.80

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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.