Home / 539,031,832.80-808,545,124.80-211,275,765.60

Finding the Fourth Proportional to 539,031,832.80, 808,545,124.80 and 211,275,765.60

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Solution

The fourth proportional to 539,031,832.80, 808,545,124.80 and 211,275,765.60 is: 316,912,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,031,832.80 : 808,545,124.80 = 211,275,765.60 : x
  2. Step 2: Convert to fraction form
    539,031,832.80/808,545,124.80 = 211,275,765.60/x
  3. Step 3: Cross multiply
    539,031,832.80x = 808,545,124.80 × 211,275,765.60
  4. Step 4: Simplify right side
    539,031,832.80x = 170,825,990,264,267,520
  5. Step 5: Solve for x
    x = 170,825,990,264,267,520/539,031,832.80
  6. Step 6: Final answer
    x = 316,912,619.76

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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.