Home / 704,745,791.56-1,057,111,955.49-428,473,281.73

Finding the Fourth Proportional to 704,745,791.56, 1,057,111,955.49 and 428,473,281.73

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Solution

The fourth proportional to 704,745,791.56, 1,057,111,955.49 and 428,473,281.73 is: 642,705,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,745,791.56 : 1,057,111,955.49 = 428,473,281.73 : x
  2. Step 2: Convert to fraction form
    704,745,791.56/1,057,111,955.49 = 428,473,281.73/x
  3. Step 3: Cross multiply
    704,745,791.56x = 1,057,111,955.49 × 428,473,281.73
  4. Step 4: Simplify right side
    704,745,791.56x = 452,944,228,724,817,984
  5. Step 5: Solve for x
    x = 452,944,228,724,817,984/704,745,791.56
  6. Step 6: Final answer
    x = 642,705,829.75

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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.