Home / 449,063,999.40-673,595,999.10-207,199,295.40

Finding the Fourth Proportional to 449,063,999.40, 673,595,999.10 and 207,199,295.40

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Solution

The fourth proportional to 449,063,999.40, 673,595,999.10 and 207,199,295.40 is: 310,798,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,063,999.40 : 673,595,999.10 = 207,199,295.40 : x
  2. Step 2: Convert to fraction form
    449,063,999.40/673,595,999.10 = 207,199,295.40/x
  3. Step 3: Cross multiply
    449,063,999.40x = 673,595,999.10 × 207,199,295.40
  4. Step 4: Simplify right side
    449,063,999.40x = 139,568,616,397,779,040
  5. Step 5: Solve for x
    x = 139,568,616,397,779,040/449,063,999.40
  6. Step 6: Final answer
    x = 310,798,943.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.