Home / 571,021,540.65-856,550,934.50-271,825,555.05

Finding the Fourth Proportional to 571,021,540.65, 856,550,934.50 and 271,825,555.05

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Solution

The fourth proportional to 571,021,540.65, 856,550,934.50 and 271,825,555.05 is: 407,747,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,021,540.65 : 856,550,934.50 = 271,825,555.05 : x
  2. Step 2: Convert to fraction form
    571,021,540.65/856,550,934.50 = 271,825,555.05/x
  3. Step 3: Cross multiply
    571,021,540.65x = 856,550,934.50 × 271,825,555.05
  4. Step 4: Simplify right side
    571,021,540.65x = 232,832,433,197,699,584
  5. Step 5: Solve for x
    x = 232,832,433,197,699,584/571,021,540.65
  6. Step 6: Final answer
    x = 407,747,198.00

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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.