Home / 539,031,863.80-808,545,171.30-211,275,796.60

Finding the Fourth Proportional to 539,031,863.80, 808,545,171.30 and 211,275,796.60

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Solution

The fourth proportional to 539,031,863.80, 808,545,171.30 and 211,275,796.60 is: 316,912,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,031,863.80 : 808,545,171.30 = 211,275,796.60 : x
  2. Step 2: Convert to fraction form
    539,031,863.80/808,545,171.30 = 211,275,796.60/x
  3. Step 3: Cross multiply
    539,031,863.80x = 808,545,171.30 × 211,275,796.60
  4. Step 4: Simplify right side
    539,031,863.80x = 170,826,025,153,490,944
  5. Step 5: Solve for x
    x = 170,826,025,153,490,944/539,031,863.80
  6. Step 6: Final answer
    x = 316,912,666.26

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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.