Home / 773,149,952.96-1,066,947,109.08-425,469,440.96

Finding the Fourth Proportional to 773,149,952.96, 1,066,947,109.08 and 425,469,440.96

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Solution

The fourth proportional to 773,149,952.96, 1,066,947,109.08 and 425,469,440.96 is: 587,147,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,149,952.96 : 1,066,947,109.08 = 425,469,440.96 : x
  2. Step 2: Convert to fraction form
    773,149,952.96/1,066,947,109.08 = 425,469,440.96/x
  3. Step 3: Cross multiply
    773,149,952.96x = 1,066,947,109.08 × 425,469,440.96
  4. Step 4: Simplify right side
    773,149,952.96x = 453,953,390,034,155,712
  5. Step 5: Solve for x
    x = 453,953,390,034,155,712/773,149,952.96
  6. Step 6: Final answer
    x = 587,147,924.28

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1.5x scale

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.