Home / 919,233,567-1,267,060,437.99-621,767,328.30

Finding the Fourth Proportional to 919,233,567, 1,267,060,437.99 and 621,767,328.30

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Solution

The fourth proportional to 919,233,567, 1,267,060,437.99 and 621,767,328.30 is: 857,036,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,233,567 : 1,267,060,437.99 = 621,767,328.30 : x
  2. Step 2: Convert to fraction form
    919,233,567/1,267,060,437.99 = 621,767,328.30/x
  3. Step 3: Cross multiply
    919,233,567x = 1,267,060,437.99 × 621,767,328.30
  4. Step 4: Simplify right side
    919,233,567x = 787,816,783,323,670,016
  5. Step 5: Solve for x
    x = 787,816,783,323,670,016/919,233,567
  6. Step 6: Final answer
    x = 857,036,570.04

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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.