Home / 381,064,582.62-525,837,509.91-213,777,965.34

Finding the Fourth Proportional to 381,064,582.62, 525,837,509.91 and 213,777,965.34

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Solution

The fourth proportional to 381,064,582.62, 525,837,509.91 and 213,777,965.34 is: 294,995,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,064,582.62 : 525,837,509.91 = 213,777,965.34 : x
  2. Step 2: Convert to fraction form
    381,064,582.62/525,837,509.91 = 213,777,965.34/x
  3. Step 3: Cross multiply
    381,064,582.62x = 525,837,509.91 × 213,777,965.34
  4. Step 4: Simplify right side
    381,064,582.62x = 112,412,472,968,011,888
  5. Step 5: Solve for x
    x = 112,412,472,968,011,888/381,064,582.62
  6. Step 6: Final answer
    x = 294,995,856.60

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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.