Home / 448,584,976.80-672,558,600.60-172,129,368.60

Finding the Fourth Proportional to 448,584,976.80, 672,558,600.60 and 172,129,368.60

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Solution

The fourth proportional to 448,584,976.80, 672,558,600.60 and 172,129,368.60 is: 258,071,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,584,976.80 : 672,558,600.60 = 172,129,368.60 : x
  2. Step 2: Convert to fraction form
    448,584,976.80/672,558,600.60 = 172,129,368.60/x
  3. Step 3: Cross multiply
    448,584,976.80x = 672,558,600.60 × 172,129,368.60
  4. Step 4: Simplify right side
    448,584,976.80x = 115,767,087,267,777,584
  5. Step 5: Solve for x
    x = 115,767,087,267,777,584/448,584,976.80
  6. Step 6: Final answer
    x = 258,071,699.35

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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.