Home / 524,649,971.48-723,755,452.23-312,807,397.46

Finding the Fourth Proportional to 524,649,971.48, 723,755,452.23 and 312,807,397.46

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Solution

The fourth proportional to 524,649,971.48, 723,755,452.23 and 312,807,397.46 is: 431,518,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,649,971.48 : 723,755,452.23 = 312,807,397.46 : x
  2. Step 2: Convert to fraction form
    524,649,971.48/723,755,452.23 = 312,807,397.46/x
  3. Step 3: Cross multiply
    524,649,971.48x = 723,755,452.23 × 312,807,397.46
  4. Step 4: Simplify right side
    524,649,971.48x = 226,396,059,405,932,864
  5. Step 5: Solve for x
    x = 226,396,059,405,932,864/524,649,971.48
  6. Step 6: Final answer
    x = 431,518,291.65

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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.