Home / 961,078,800,727.70-1,326,290,058,384.40-521,616,191,726.15

Finding the Fourth Proportional to 961,078,800,727.70, 1,326,290,058,384.40 and 521,616,191,726.15

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Solution

The fourth proportional to 961,078,800,727.70, 1,326,290,058,384.40 and 521,616,191,726.15 is: 719,831,057,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,078,800,727.70 : 1,326,290,058,384.40 = 521,616,191,726.15 : x
  2. Step 2: Convert to fraction form
    961,078,800,727.70/1,326,290,058,384.40 = 521,616,191,726.15/x
  3. Step 3: Cross multiply
    961,078,800,727.70x = 1,326,290,058,384.40 × 521,616,191,726.15
  4. Step 4: Simplify right side
    961,078,800,727.70x = 691,814,369,378,723,841,441,792
  5. Step 5: Solve for x
    x = 691,814,369,378,723,841,441,792/961,078,800,727.70
  6. Step 6: Final answer
    x = 719,831,057,406.43

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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.