Home / 815,973,434.55-1,126,047,153.06-463,568,762.70

Finding the Fourth Proportional to 815,973,434.55, 1,126,047,153.06 and 463,568,762.70

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Solution

The fourth proportional to 815,973,434.55, 1,126,047,153.06 and 463,568,762.70 is: 639,727,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,973,434.55 : 1,126,047,153.06 = 463,568,762.70 : x
  2. Step 2: Convert to fraction form
    815,973,434.55/1,126,047,153.06 = 463,568,762.70/x
  3. Step 3: Cross multiply
    815,973,434.55x = 1,126,047,153.06 × 463,568,762.70
  4. Step 4: Simplify right side
    815,973,434.55x = 522,000,285,485,881,664
  5. Step 5: Solve for x
    x = 522,000,285,485,881,664/815,973,434.55
  6. Step 6: Final answer
    x = 639,727,058.97

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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.