Home / 769,559,425.71-1,061,963,556.16-417,127,849.62

Finding the Fourth Proportional to 769,559,425.71, 1,061,963,556.16 and 417,127,849.62

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Solution

The fourth proportional to 769,559,425.71, 1,061,963,556.16 and 417,127,849.62 is: 575,621,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,425.71 : 1,061,963,556.16 = 417,127,849.62 : x
  2. Step 2: Convert to fraction form
    769,559,425.71/1,061,963,556.16 = 417,127,849.62/x
  3. Step 3: Cross multiply
    769,559,425.71x = 1,061,963,556.16 × 417,127,849.62
  4. Step 4: Simplify right side
    769,559,425.71x = 442,974,574,558,743,040
  5. Step 5: Solve for x
    x = 442,974,574,558,743,040/769,559,425.71
  6. Step 6: Final answer
    x = 575,621,010.88

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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.