Home / 405,468,826.41-608,261,500.76-125,371,568.01

Finding the Fourth Proportional to 405,468,826.41, 608,261,500.76 and 125,371,568.01

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Solution

The fourth proportional to 405,468,826.41, 608,261,500.76 and 125,371,568.01 is: 188,075,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,468,826.41 : 608,261,500.76 = 125,371,568.01 : x
  2. Step 2: Convert to fraction form
    405,468,826.41/608,261,500.76 = 125,371,568.01/x
  3. Step 3: Cross multiply
    405,468,826.41x = 608,261,500.76 × 125,371,568.01
  4. Step 4: Simplify right side
    405,468,826.41x = 76,258,698,109,770,144
  5. Step 5: Solve for x
    x = 76,258,698,109,770,144/405,468,826.41
  6. Step 6: Final answer
    x = 188,075,366.45

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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.