Home / 458,328,309.07-632,508,344.18-257,420,588.44

Finding the Fourth Proportional to 458,328,309.07, 632,508,344.18 and 257,420,588.44

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Solution

The fourth proportional to 458,328,309.07, 632,508,344.18 and 257,420,588.44 is: 355,248,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,328,309.07 : 632,508,344.18 = 257,420,588.44 : x
  2. Step 2: Convert to fraction form
    458,328,309.07/632,508,344.18 = 257,420,588.44/x
  3. Step 3: Cross multiply
    458,328,309.07x = 632,508,344.18 × 257,420,588.44
  4. Step 4: Simplify right side
    458,328,309.07x = 162,820,670,152,025,632
  5. Step 5: Solve for x
    x = 162,820,670,152,025,632/458,328,309.07
  6. Step 6: Final answer
    x = 355,248,992.76

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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.