Home / 442,927,918.20-664,192,811.70-170,208,046.20

Finding the Fourth Proportional to 442,927,918.20, 664,192,811.70 and 170,208,046.20

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Solution

The fourth proportional to 442,927,918.20, 664,192,811.70 and 170,208,046.20 is: 255,235,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,927,918.20 : 664,192,811.70 = 170,208,046.20 : x
  2. Step 2: Convert to fraction form
    442,927,918.20/664,192,811.70 = 170,208,046.20/x
  3. Step 3: Cross multiply
    442,927,918.20x = 664,192,811.70 × 170,208,046.20
  4. Step 4: Simplify right side
    442,927,918.20x = 113,050,960,779,541,504
  5. Step 5: Solve for x
    x = 113,050,960,779,541,504/442,927,918.20
  6. Step 6: Final answer
    x = 255,235,572.50

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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.