Home / 901,790,224.11-1,352,721,059.06-428,975,695.71

Finding the Fourth Proportional to 901,790,224.11, 1,352,721,059.06 and 428,975,695.71

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Solution

The fourth proportional to 901,790,224.11, 1,352,721,059.06 and 428,975,695.71 is: 643,480,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,790,224.11 : 1,352,721,059.06 = 428,975,695.71 : x
  2. Step 2: Convert to fraction form
    901,790,224.11/1,352,721,059.06 = 428,975,695.71/x
  3. Step 3: Cross multiply
    901,790,224.11x = 1,352,721,059.06 × 428,975,695.71
  4. Step 4: Simplify right side
    901,790,224.11x = 580,284,457,409,686,656
  5. Step 5: Solve for x
    x = 580,284,457,409,686,656/901,790,224.11
  6. Step 6: Final answer
    x = 643,480,536.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.