Home / 20,818,409,983,618-28,729,019,281,983-11,443,007,088,828

Finding the Fourth Proportional to 20,818,409,983,618, 28,729,019,281,983 and 11,443,007,088,828

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Solution

The fourth proportional to 20,818,409,983,618, 28,729,019,281,983 and 11,443,007,088,828 is: 15,791,137,342,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,818,409,983,618 : 28,729,019,281,983 = 11,443,007,088,828 : x
  2. Step 2: Convert to fraction form
    20,818,409,983,618/28,729,019,281,983 = 11,443,007,088,828/x
  3. Step 3: Cross multiply
    20,818,409,983,618x = 28,729,019,281,983 × 11,443,007,088,828
  4. Step 4: Simplify right side
    20,818,409,983,618x = 328,746,371,298,807,761,290,133,504
  5. Step 5: Solve for x
    x = 328,746,371,298,807,761,290,133,504/20,818,409,983,618
  6. Step 6: Final answer
    x = 15,791,137,342,260.92

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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.