Home / 524,560,132.48-723,878,551.76-289,606,523.44

Finding the Fourth Proportional to 524,560,132.48, 723,878,551.76 and 289,606,523.44

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Solution

The fourth proportional to 524,560,132.48, 723,878,551.76 and 289,606,523.44 is: 399,649,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,560,132.48 : 723,878,551.76 = 289,606,523.44 : x
  2. Step 2: Convert to fraction form
    524,560,132.48/723,878,551.76 = 289,606,523.44/x
  3. Step 3: Cross multiply
    524,560,132.48x = 723,878,551.76 × 289,606,523.44
  4. Step 4: Simplify right side
    524,560,132.48x = 209,639,950,767,995,680
  5. Step 5: Solve for x
    x = 209,639,950,767,995,680/524,560,132.48
  6. Step 6: Final answer
    x = 399,649,035.04

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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.