Home / 608,982,201.83-840,299,445.43-354,705,406.67

Finding the Fourth Proportional to 608,982,201.83, 840,299,445.43 and 354,705,406.67

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Solution

The fourth proportional to 608,982,201.83, 840,299,445.43 and 354,705,406.67 is: 489,437,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,982,201.83 : 840,299,445.43 = 354,705,406.67 : x
  2. Step 2: Convert to fraction form
    608,982,201.83/840,299,445.43 = 354,705,406.67/x
  3. Step 3: Cross multiply
    608,982,201.83x = 840,299,445.43 × 354,705,406.67
  4. Step 4: Simplify right side
    608,982,201.83x = 298,058,756,509,848,576
  5. Step 5: Solve for x
    x = 298,058,756,509,848,576/608,982,201.83
  6. Step 6: Final answer
    x = 489,437,549.43

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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.