Home / 405,106,872.08-607,660,315.41-98,396,918.24

Finding the Fourth Proportional to 405,106,872.08, 607,660,315.41 and 98,396,918.24

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Solution

The fourth proportional to 405,106,872.08, 607,660,315.41 and 98,396,918.24 is: 147,595,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,106,872.08 : 607,660,315.41 = 98,396,918.24 : x
  2. Step 2: Convert to fraction form
    405,106,872.08/607,660,315.41 = 98,396,918.24/x
  3. Step 3: Cross multiply
    405,106,872.08x = 607,660,315.41 × 98,396,918.24
  4. Step 4: Simplify right side
    405,106,872.08x = 59,791,902,373,090,376
  5. Step 5: Solve for x
    x = 59,791,902,373,090,376/405,106,872.08
  6. Step 6: Final answer
    x = 147,595,379.13

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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.