Home / 524,527,209.04-723,942,323.40-312,847,623.76

Finding the Fourth Proportional to 524,527,209.04, 723,942,323.40 and 312,847,623.76

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Solution

The fourth proportional to 524,527,209.04, 723,942,323.40 and 312,847,623.76 is: 431,786,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,527,209.04 : 723,942,323.40 = 312,847,623.76 : x
  2. Step 2: Convert to fraction form
    524,527,209.04/723,942,323.40 = 312,847,623.76/x
  3. Step 3: Cross multiply
    524,527,209.04x = 723,942,323.40 × 312,847,623.76
  4. Step 4: Simplify right side
    524,527,209.04x = 226,483,635,614,983,424
  5. Step 5: Solve for x
    x = 226,483,635,614,983,424/524,527,209.04
  6. Step 6: Final answer
    x = 431,786,248.09

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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.