Home / 21,450,057,526.44-29,605,177,657.48-14,203,323,279.72

Finding the Fourth Proportional to 21,450,057,526.44, 29,605,177,657.48 and 14,203,323,279.72

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Solution

The fourth proportional to 21,450,057,526.44, 29,605,177,657.48 and 14,203,323,279.72 is: 19,603,299,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450,057,526.44 : 29,605,177,657.48 = 14,203,323,279.72 : x
  2. Step 2: Convert to fraction form
    21,450,057,526.44/29,605,177,657.48 = 14,203,323,279.72/x
  3. Step 3: Cross multiply
    21,450,057,526.44x = 29,605,177,657.48 × 14,203,323,279.72
  4. Step 4: Simplify right side
    21,450,057,526.44x = 420,491,909,022,732,058,624
  5. Step 5: Solve for x
    x = 420,491,909,022,732,058,624/21,450,057,526.44
  6. Step 6: Final answer
    x = 19,603,299,828.19

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1.5x scale

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.