Home / 260,769,465,719.36-391,153,710,375.98-81,709,160,425.29

Finding the Fourth Proportional to 260,769,465,719.36, 391,153,710,375.98 and 81,709,160,425.29

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Solution

The fourth proportional to 260,769,465,719.36, 391,153,710,375.98 and 81,709,160,425.29 is: 122,563,587,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,769,465,719.36 : 391,153,710,375.98 = 81,709,160,425.29 : x
  2. Step 2: Convert to fraction form
    260,769,465,719.36/391,153,710,375.98 = 81,709,160,425.29/x
  3. Step 3: Cross multiply
    260,769,465,719.36x = 391,153,710,375.98 × 81,709,160,425.29
  4. Step 4: Simplify right side
    260,769,465,719.36x = 31,960,841,272,058,366,132,224
  5. Step 5: Solve for x
    x = 31,960,841,272,058,366,132,224/260,769,465,719.36
  6. Step 6: Final answer
    x = 122,563,587,665.03

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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.