Home / 946,493,127.54-1,306,161,069.30-528,805,412.28

Finding the Fourth Proportional to 946,493,127.54, 1,306,161,069.30 and 528,805,412.28

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Solution

The fourth proportional to 946,493,127.54, 1,306,161,069.30 and 528,805,412.28 is: 729,751,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,493,127.54 : 1,306,161,069.30 = 528,805,412.28 : x
  2. Step 2: Convert to fraction form
    946,493,127.54/1,306,161,069.30 = 528,805,412.28/x
  3. Step 3: Cross multiply
    946,493,127.54x = 1,306,161,069.30 × 528,805,412.28
  4. Step 4: Simplify right side
    946,493,127.54x = 690,705,042,755,272,064
  5. Step 5: Solve for x
    x = 690,705,042,755,272,064/946,493,127.54
  6. Step 6: Final answer
    x = 729,751,778.07

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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.