Home / 919,233,569.25-1,267,060,441.10-621,767,330.55

Finding the Fourth Proportional to 919,233,569.25, 1,267,060,441.10 and 621,767,330.55

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Solution

The fourth proportional to 919,233,569.25, 1,267,060,441.10 and 621,767,330.55 is: 857,036,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,233,569.25 : 1,267,060,441.10 = 621,767,330.55 : x
  2. Step 2: Convert to fraction form
    919,233,569.25/1,267,060,441.10 = 621,767,330.55/x
  3. Step 3: Cross multiply
    919,233,569.25x = 1,267,060,441.10 × 621,767,330.55
  4. Step 4: Simplify right side
    919,233,569.25x = 787,816,788,105,143,680
  5. Step 5: Solve for x
    x = 787,816,788,105,143,680/919,233,569.25
  6. Step 6: Final answer
    x = 857,036,573.14

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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.