Home / 472,393,809.60-708,590,714.40-265,769,548.80

Finding the Fourth Proportional to 472,393,809.60, 708,590,714.40 and 265,769,548.80

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Solution

The fourth proportional to 472,393,809.60, 708,590,714.40 and 265,769,548.80 is: 398,654,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,809.60 : 708,590,714.40 = 265,769,548.80 : x
  2. Step 2: Convert to fraction form
    472,393,809.60/708,590,714.40 = 265,769,548.80/x
  3. Step 3: Cross multiply
    472,393,809.60x = 708,590,714.40 × 265,769,548.80
  4. Step 4: Simplify right side
    472,393,809.60x = 188,321,834,449,957,664
  5. Step 5: Solve for x
    x = 188,321,834,449,957,664/472,393,809.60
  6. Step 6: Final answer
    x = 398,654,323.20

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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.