Home / 381,703,008.24-526,772,703.30-287,450,867.34

Finding the Fourth Proportional to 381,703,008.24, 526,772,703.30 and 287,450,867.34

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Solution

The fourth proportional to 381,703,008.24, 526,772,703.30 and 287,450,867.34 is: 396,699,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,703,008.24 : 526,772,703.30 = 287,450,867.34 : x
  2. Step 2: Convert to fraction form
    381,703,008.24/526,772,703.30 = 287,450,867.34/x
  3. Step 3: Cross multiply
    381,703,008.24x = 526,772,703.30 × 287,450,867.34
  4. Step 4: Simplify right side
    381,703,008.24x = 151,421,270,454,621,472
  5. Step 5: Solve for x
    x = 151,421,270,454,621,472/381,703,008.24
  6. Step 6: Final answer
    x = 396,699,180.22

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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.