Home / 815,973,425.80-1,126,047,140.90-463,568,753.91

Finding the Fourth Proportional to 815,973,425.80, 1,126,047,140.90 and 463,568,753.91

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Solution

The fourth proportional to 815,973,425.80, 1,126,047,140.90 and 463,568,753.91 is: 639,727,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,973,425.80 : 1,126,047,140.90 = 463,568,753.91 : x
  2. Step 2: Convert to fraction form
    815,973,425.80/1,126,047,140.90 = 463,568,753.91/x
  3. Step 3: Cross multiply
    815,973,425.80x = 1,126,047,140.90 × 463,568,753.91
  4. Step 4: Simplify right side
    815,973,425.80x = 522,000,269,950,931,264
  5. Step 5: Solve for x
    x = 522,000,269,950,931,264/815,973,425.80
  6. Step 6: Final answer
    x = 639,727,046.80

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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.