Home / 1,679,877,884,908.70-2,318,206,809,720.80-938,295,543,212.40

Finding the Fourth Proportional to 1,679,877,884,908.70, 2,318,206,809,720.80 and 938,295,543,212.40

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Solution

The fourth proportional to 1,679,877,884,908.70, 2,318,206,809,720.80 and 938,295,543,212.40 is: 1,294,834,069,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,877,884,908.70 : 2,318,206,809,720.80 = 938,295,543,212.40 : x
  2. Step 2: Convert to fraction form
    1,679,877,884,908.70/2,318,206,809,720.80 = 938,295,543,212.40/x
  3. Step 3: Cross multiply
    1,679,877,884,908.70x = 2,318,206,809,720.80 × 938,295,543,212.40
  4. Step 4: Simplify right side
    1,679,877,884,908.70x = 2,175,163,117,805,662,770,298,880
  5. Step 5: Solve for x
    x = 2,175,163,117,805,662,770,298,880/1,679,877,884,908.70
  6. Step 6: Final answer
    x = 1,294,834,069,396.59

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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.