Home / 524,555,872.28-723,950,582.21-298,549,809.05

Finding the Fourth Proportional to 524,555,872.28, 723,950,582.21 and 298,549,809.05

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Solution

The fourth proportional to 524,555,872.28, 723,950,582.21 and 298,549,809.05 is: 412,034,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,555,872.28 : 723,950,582.21 = 298,549,809.05 : x
  2. Step 2: Convert to fraction form
    524,555,872.28/723,950,582.21 = 298,549,809.05/x
  3. Step 3: Cross multiply
    524,555,872.28x = 723,950,582.21 × 298,549,809.05
  4. Step 4: Simplify right side
    524,555,872.28x = 216,135,308,080,431,840
  5. Step 5: Solve for x
    x = 216,135,308,080,431,840/524,555,872.28
  6. Step 6: Final answer
    x = 412,034,865.12

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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.