Home / 25,509,572,720.70-38,264,359,081.05-20,183,258,442.30

Finding the Fourth Proportional to 25,509,572,720.70, 38,264,359,081.05 and 20,183,258,442.30

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Solution

The fourth proportional to 25,509,572,720.70, 38,264,359,081.05 and 20,183,258,442.30 is: 30,274,887,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,572,720.70 : 38,264,359,081.05 = 20,183,258,442.30 : x
  2. Step 2: Convert to fraction form
    25,509,572,720.70/38,264,359,081.05 = 20,183,258,442.30/x
  3. Step 3: Cross multiply
    25,509,572,720.70x = 38,264,359,081.05 × 20,183,258,442.30
  4. Step 4: Simplify right side
    25,509,572,720.70x = 772,299,448,461,801,160,704
  5. Step 5: Solve for x
    x = 772,299,448,461,801,160,704/25,509,572,720.70
  6. Step 6: Final answer
    x = 30,274,887,663.45

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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.