Home / 1,153,852,078.72-1,730,763,000.06-280,450,909.84

Finding the Fourth Proportional to 1,153,852,078.72, 1,730,763,000.06 and 280,450,909.84

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Solution

The fourth proportional to 1,153,852,078.72, 1,730,763,000.06 and 280,450,909.84 is: 420,672,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,852,078.72 : 1,730,763,000.06 = 280,450,909.84 : x
  2. Step 2: Convert to fraction form
    1,153,852,078.72/1,730,763,000.06 = 280,450,909.84/x
  3. Step 3: Cross multiply
    1,153,852,078.72x = 1,730,763,000.06 × 280,450,909.84
  4. Step 4: Simplify right side
    1,153,852,078.72x = 485,394,058,084,234,944
  5. Step 5: Solve for x
    x = 485,394,058,084,234,944/1,153,852,078.72
  6. Step 6: Final answer
    x = 420,672,690.23

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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.