Home / 839,666,295.48-1,158,792,812.46-468,387,570.36

Finding the Fourth Proportional to 839,666,295.48, 1,158,792,812.46 and 468,387,570.36

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Solution

The fourth proportional to 839,666,295.48, 1,158,792,812.46 and 468,387,570.36 is: 646,404,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,666,295.48 : 1,158,792,812.46 = 468,387,570.36 : x
  2. Step 2: Convert to fraction form
    839,666,295.48/1,158,792,812.46 = 468,387,570.36/x
  3. Step 3: Cross multiply
    839,666,295.48x = 1,158,792,812.46 × 468,387,570.36
  4. Step 4: Simplify right side
    839,666,295.48x = 542,764,149,978,770,560
  5. Step 5: Solve for x
    x = 542,764,149,978,770,560/839,666,295.48
  6. Step 6: Final answer
    x = 646,404,592.99

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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.