Home / 818,169,756.80-1,129,066,785.60-446,891,676.80

Finding the Fourth Proportional to 818,169,756.80, 1,129,066,785.60 and 446,891,676.80

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Solution

The fourth proportional to 818,169,756.80, 1,129,066,785.60 and 446,891,676.80 is: 616,706,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,169,756.80 : 1,129,066,785.60 = 446,891,676.80 : x
  2. Step 2: Convert to fraction form
    818,169,756.80/1,129,066,785.60 = 446,891,676.80/x
  3. Step 3: Cross multiply
    818,169,756.80x = 1,129,066,785.60 × 446,891,676.80
  4. Step 4: Simplify right side
    818,169,756.80x = 504,570,549,035,970,048
  5. Step 5: Solve for x
    x = 504,570,549,035,970,048/818,169,756.80
  6. Step 6: Final answer
    x = 616,706,429.00

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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.