Home / 1,379,873,347.80-2,069,810,021.70-410,524,963.80

Finding the Fourth Proportional to 1,379,873,347.80, 2,069,810,021.70 and 410,524,963.80

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Solution

The fourth proportional to 1,379,873,347.80, 2,069,810,021.70 and 410,524,963.80 is: 615,787,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,873,347.80 : 2,069,810,021.70 = 410,524,963.80 : x
  2. Step 2: Convert to fraction form
    1,379,873,347.80/2,069,810,021.70 = 410,524,963.80/x
  3. Step 3: Cross multiply
    1,379,873,347.80x = 2,069,810,021.70 × 410,524,963.80
  4. Step 4: Simplify right side
    1,379,873,347.80x = 849,708,684,231,269,760
  5. Step 5: Solve for x
    x = 849,708,684,231,269,760/1,379,873,347.80
  6. Step 6: Final answer
    x = 615,787,445.70

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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.