Home / 315,744,017.40-473,400,494.10-168,213,635.64

Finding the Fourth Proportional to 315,744,017.40, 473,400,494.10 and 168,213,635.64

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Solution

The fourth proportional to 315,744,017.40, 473,400,494.10 and 168,213,635.64 is: 252,205,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,744,017.40 : 473,400,494.10 = 168,213,635.64 : x
  2. Step 2: Convert to fraction form
    315,744,017.40/473,400,494.10 = 168,213,635.64/x
  3. Step 3: Cross multiply
    315,744,017.40x = 473,400,494.10 × 168,213,635.64
  4. Step 4: Simplify right side
    315,744,017.40x = 79,632,418,226,333,360
  5. Step 5: Solve for x
    x = 79,632,418,226,333,360/315,744,017.40
  6. Step 6: Final answer
    x = 252,205,628.10

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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.