Home / 961,078,800,599.50-1,326,290,058,207.50-521,616,191,597.50

Finding the Fourth Proportional to 961,078,800,599.50, 1,326,290,058,207.50 and 521,616,191,597.50

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Solution

The fourth proportional to 961,078,800,599.50, 1,326,290,058,207.50 and 521,616,191,597.50 is: 719,831,057,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,078,800,599.50 : 1,326,290,058,207.50 = 521,616,191,597.50 : x
  2. Step 2: Convert to fraction form
    961,078,800,599.50/1,326,290,058,207.50 = 521,616,191,597.50/x
  3. Step 3: Cross multiply
    961,078,800,599.50x = 1,326,290,058,207.50 × 521,616,191,597.50
  4. Step 4: Simplify right side
    961,078,800,599.50x = 691,814,369,115,822,719,238,144
  5. Step 5: Solve for x
    x = 691,814,369,115,822,719,238,144/961,078,800,599.50
  6. Step 6: Final answer
    x = 719,831,057,228.90

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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.