Home / 824,993,890.56-1,138,468,847.76-453,716,056.80

Finding the Fourth Proportional to 824,993,890.56, 1,138,468,847.76 and 453,716,056.80

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Solution

The fourth proportional to 824,993,890.56, 1,138,468,847.76 and 453,716,056.80 is: 626,115,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,993,890.56 : 1,138,468,847.76 = 453,716,056.80 : x
  2. Step 2: Convert to fraction form
    824,993,890.56/1,138,468,847.76 = 453,716,056.80/x
  3. Step 3: Cross multiply
    824,993,890.56x = 1,138,468,847.76 × 453,716,056.80
  4. Step 4: Simplify right side
    824,993,890.56x = 516,541,596,395,306,752
  5. Step 5: Solve for x
    x = 516,541,596,395,306,752/824,993,890.56
  6. Step 6: Final answer
    x = 626,115,662.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.