Home / 258,620,031,896.80-387,930,047,845.20-152,828,410,367.20

Finding the Fourth Proportional to 258,620,031,896.80, 387,930,047,845.20 and 152,828,410,367.20

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Solution

The fourth proportional to 258,620,031,896.80, 387,930,047,845.20 and 152,828,410,367.20 is: 229,242,615,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,620,031,896.80 : 387,930,047,845.20 = 152,828,410,367.20 : x
  2. Step 2: Convert to fraction form
    258,620,031,896.80/387,930,047,845.20 = 152,828,410,367.20/x
  3. Step 3: Cross multiply
    258,620,031,896.80x = 387,930,047,845.20 × 152,828,410,367.20
  4. Step 4: Simplify right side
    258,620,031,896.80x = 59,286,732,545,853,765,976,064
  5. Step 5: Solve for x
    x = 59,286,732,545,853,765,976,064/258,620,031,896.80
  6. Step 6: Final answer
    x = 229,242,615,550.80

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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.