Home / 524,504,846.45-723,797,712.81-289,550,461.92

Finding the Fourth Proportional to 524,504,846.45, 723,797,712.81 and 289,550,461.92

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Solution

The fourth proportional to 524,504,846.45, 723,797,712.81 and 289,550,461.92 is: 399,569,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,504,846.45 : 723,797,712.81 = 289,550,461.92 : x
  2. Step 2: Convert to fraction form
    524,504,846.45/723,797,712.81 = 289,550,461.92/x
  3. Step 3: Cross multiply
    524,504,846.45x = 723,797,712.81 × 289,550,461.92
  4. Step 4: Simplify right side
    524,504,846.45x = 209,575,962,080,775,008
  5. Step 5: Solve for x
    x = 209,575,962,080,775,008/524,504,846.45
  6. Step 6: Final answer
    x = 399,569,162.23

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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.