Home / 255,048,609.30-382,006,043.55-221,036,385.30

Finding the Fourth Proportional to 255,048,609.30, 382,006,043.55 and 221,036,385.30

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Solution

The fourth proportional to 255,048,609.30, 382,006,043.55 and 221,036,385.30 is: 331,063,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,048,609.30 : 382,006,043.55 = 221,036,385.30 : x
  2. Step 2: Convert to fraction form
    255,048,609.30/382,006,043.55 = 221,036,385.30/x
  3. Step 3: Cross multiply
    255,048,609.30x = 382,006,043.55 × 221,036,385.30
  4. Step 4: Simplify right side
    255,048,609.30x = 84,437,235,029,046,384
  5. Step 5: Solve for x
    x = 84,437,235,029,046,384/255,048,609.30
  6. Step 6: Final answer
    x = 331,063,303.03

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1.5x scale

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.