Home / 553,941,705,236.45-829,830,433,112.40-381,611,765,976.55

Finding the Fourth Proportional to 553,941,705,236.45, 829,830,433,112.40 and 381,611,765,976.55

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Solution

The fourth proportional to 553,941,705,236.45, 829,830,433,112.40 and 381,611,765,976.55 is: 571,672,170,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,941,705,236.45 : 829,830,433,112.40 = 381,611,765,976.55 : x
  2. Step 2: Convert to fraction form
    553,941,705,236.45/829,830,433,112.40 = 381,611,765,976.55/x
  3. Step 3: Cross multiply
    553,941,705,236.45x = 829,830,433,112.40 × 381,611,765,976.55
  4. Step 4: Simplify right side
    553,941,705,236.45x = 316,673,057,041,108,346,863,616
  5. Step 5: Solve for x
    x = 316,673,057,041,108,346,863,616/553,941,705,236.45
  6. Step 6: Final answer
    x = 571,672,170,641.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.