Home / 919,233,574.50-1,267,060,448.34-621,767,335.80

Finding the Fourth Proportional to 919,233,574.50, 1,267,060,448.34 and 621,767,335.80

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Solution

The fourth proportional to 919,233,574.50, 1,267,060,448.34 and 621,767,335.80 is: 857,036,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,233,574.50 : 1,267,060,448.34 = 621,767,335.80 : x
  2. Step 2: Convert to fraction form
    919,233,574.50/1,267,060,448.34 = 621,767,335.80/x
  3. Step 3: Cross multiply
    919,233,574.50x = 1,267,060,448.34 × 621,767,335.80
  4. Step 4: Simplify right side
    919,233,574.50x = 787,816,799,261,915,264
  5. Step 5: Solve for x
    x = 787,816,799,261,915,264/919,233,574.50
  6. Step 6: Final answer
    x = 857,036,580.38

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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.