Home / 281,927,518,811.14-389,060,017,930.98-153,469,942,622.83

Finding the Fourth Proportional to 281,927,518,811.14, 389,060,017,930.98 and 153,469,942,622.83

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Solution

The fourth proportional to 281,927,518,811.14, 389,060,017,930.98 and 153,469,942,622.83 is: 211,788,543,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,927,518,811.14 : 389,060,017,930.98 = 153,469,942,622.83 : x
  2. Step 2: Convert to fraction form
    281,927,518,811.14/389,060,017,930.98 = 153,469,942,622.83/x
  3. Step 3: Cross multiply
    281,927,518,811.14x = 389,060,017,930.98 × 153,469,942,622.83
  4. Step 4: Simplify right side
    281,927,518,811.14x = 59,709,018,628,704,706,756,608
  5. Step 5: Solve for x
    x = 59,709,018,628,704,706,756,608/281,927,518,811.14
  6. Step 6: Final answer
    x = 211,788,543,667.15

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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.