Home / 524,527,207.04-723,942,320.64-312,847,621.76

Finding the Fourth Proportional to 524,527,207.04, 723,942,320.64 and 312,847,621.76

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Solution

The fourth proportional to 524,527,207.04, 723,942,320.64 and 312,847,621.76 is: 431,786,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,527,207.04 : 723,942,320.64 = 312,847,621.76 : x
  2. Step 2: Convert to fraction form
    524,527,207.04/723,942,320.64 = 312,847,621.76/x
  3. Step 3: Cross multiply
    524,527,207.04x = 723,942,320.64 × 312,847,621.76
  4. Step 4: Simplify right side
    524,527,207.04x = 226,483,633,303,639,360
  5. Step 5: Solve for x
    x = 226,483,633,303,639,360/524,527,207.04
  6. Step 6: Final answer
    x = 431,786,245.33

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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.