Home / 961,078,800,730.20-1,326,290,058,387.90-521,616,191,728.65

Finding the Fourth Proportional to 961,078,800,730.20, 1,326,290,058,387.90 and 521,616,191,728.65

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Solution

The fourth proportional to 961,078,800,730.20, 1,326,290,058,387.90 and 521,616,191,728.65 is: 719,831,057,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,078,800,730.20 : 1,326,290,058,387.90 = 521,616,191,728.65 : x
  2. Step 2: Convert to fraction form
    961,078,800,730.20/1,326,290,058,387.90 = 521,616,191,728.65/x
  3. Step 3: Cross multiply
    961,078,800,730.20x = 1,326,290,058,387.90 × 521,616,191,728.65
  4. Step 4: Simplify right side
    961,078,800,730.20x = 691,814,369,383,865,185,730,560
  5. Step 5: Solve for x
    x = 691,814,369,383,865,185,730,560/961,078,800,730.20
  6. Step 6: Final answer
    x = 719,831,057,409.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.