Home / 539,726,387.94-809,589,698.55-194,679,986.22

Finding the Fourth Proportional to 539,726,387.94, 809,589,698.55 and 194,679,986.22

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Solution

The fourth proportional to 539,726,387.94, 809,589,698.55 and 194,679,986.22 is: 292,020,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,726,387.94 : 809,589,698.55 = 194,679,986.22 : x
  2. Step 2: Convert to fraction form
    539,726,387.94/809,589,698.55 = 194,679,986.22/x
  3. Step 3: Cross multiply
    539,726,387.94x = 809,589,698.55 × 194,679,986.22
  4. Step 4: Simplify right side
    539,726,387.94x = 157,610,911,357,567,936
  5. Step 5: Solve for x
    x = 157,610,911,357,567,936/539,726,387.94
  6. Step 6: Final answer
    x = 292,020,021.40

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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.