Home / 810,355,779.80-1,118,204,882.88-448,192,192.43

Finding the Fourth Proportional to 810,355,779.80, 1,118,204,882.88 and 448,192,192.43

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Solution

The fourth proportional to 810,355,779.80, 1,118,204,882.88 and 448,192,192.43 is: 618,457,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,355,779.80 : 1,118,204,882.88 = 448,192,192.43 : x
  2. Step 2: Convert to fraction form
    810,355,779.80/1,118,204,882.88 = 448,192,192.43/x
  3. Step 3: Cross multiply
    810,355,779.80x = 1,118,204,882.88 × 448,192,192.43
  4. Step 4: Simplify right side
    810,355,779.80x = 501,170,698,038,327,616
  5. Step 5: Solve for x
    x = 501,170,698,038,327,616/810,355,779.80
  6. Step 6: Final answer
    x = 618,457,609.03

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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.