Home / 453,271,921.07-680,026,699.31-142,366,978.67

Finding the Fourth Proportional to 453,271,921.07, 680,026,699.31 and 142,366,978.67

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Solution

The fourth proportional to 453,271,921.07, 680,026,699.31 and 142,366,978.67 is: 213,587,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,271,921.07 : 680,026,699.31 = 142,366,978.67 : x
  2. Step 2: Convert to fraction form
    453,271,921.07/680,026,699.31 = 142,366,978.67/x
  3. Step 3: Cross multiply
    453,271,921.07x = 680,026,699.31 × 142,366,978.67
  4. Step 4: Simplify right side
    453,271,921.07x = 96,813,346,591,585,296
  5. Step 5: Solve for x
    x = 96,813,346,591,585,296/453,271,921.07
  6. Step 6: Final answer
    x = 213,587,787.14

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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.