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Finding the Fourth Proportional to 1,956,813,985, 2,935,220,942.94 and 713,337,685.48

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Solution

The fourth proportional to 1,956,813,985, 2,935,220,942.94 and 713,337,685.48 is: 1,070,006,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,813,985 : 2,935,220,942.94 = 713,337,685.48 : x
  2. Step 2: Convert to fraction form
    1,956,813,985/2,935,220,942.94 = 713,337,685.48/x
  3. Step 3: Cross multiply
    1,956,813,985x = 2,935,220,942.94 × 713,337,685.48
  4. Step 4: Simplify right side
    1,956,813,985x = 2,093,803,713,809,242,880
  5. Step 5: Solve for x
    x = 2,093,803,713,809,242,880/1,956,813,985
  6. Step 6: Final answer
    x = 1,070,006,515.62

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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.