Home / 673,058,913.50-1,009,719,262.20-258,505,409

Finding the Fourth Proportional to 673,058,913.50, 1,009,719,262.20 and 258,505,409

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Solution

The fourth proportional to 673,058,913.50, 1,009,719,262.20 and 258,505,409 is: 387,808,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,058,913.50 : 1,009,719,262.20 = 258,505,409 : x
  2. Step 2: Convert to fraction form
    673,058,913.50/1,009,719,262.20 = 258,505,409/x
  3. Step 3: Cross multiply
    673,058,913.50x = 1,009,719,262.20 × 258,505,409
  4. Step 4: Simplify right side
    673,058,913.50x = 261,017,890,850,189,248
  5. Step 5: Solve for x
    x = 261,017,890,850,189,248/673,058,913.50
  6. Step 6: Final answer
    x = 387,808,385.89

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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.