Home / 315,744,018.40-473,400,495.60-168,213,636.64

Finding the Fourth Proportional to 315,744,018.40, 473,400,495.60 and 168,213,636.64

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Solution

The fourth proportional to 315,744,018.40, 473,400,495.60 and 168,213,636.64 is: 252,205,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,744,018.40 : 473,400,495.60 = 168,213,636.64 : x
  2. Step 2: Convert to fraction form
    315,744,018.40/473,400,495.60 = 168,213,636.64/x
  3. Step 3: Cross multiply
    315,744,018.40x = 473,400,495.60 × 168,213,636.64
  4. Step 4: Simplify right side
    315,744,018.40x = 79,632,418,952,054,320
  5. Step 5: Solve for x
    x = 79,632,418,952,054,320/315,744,018.40
  6. Step 6: Final answer
    x = 252,205,629.60

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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.