Home / 439,355,396.25-606,310,448.27-243,816,575.13

Finding the Fourth Proportional to 439,355,396.25, 606,310,448.27 and 243,816,575.13

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Solution

The fourth proportional to 439,355,396.25, 606,310,448.27 and 243,816,575.13 is: 336,466,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,355,396.25 : 606,310,448.27 = 243,816,575.13 : x
  2. Step 2: Convert to fraction form
    439,355,396.25/606,310,448.27 = 243,816,575.13/x
  3. Step 3: Cross multiply
    439,355,396.25x = 606,310,448.27 × 243,816,575.13
  4. Step 4: Simplify right side
    439,355,396.25x = 147,828,536,961,507,360
  5. Step 5: Solve for x
    x = 147,828,536,961,507,360/439,355,396.25
  6. Step 6: Final answer
    x = 336,466,874.48

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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.