Home / 5,127,705,964.80-7,691,558,947.20-1,854,974,188.80

Finding the Fourth Proportional to 5,127,705,964.80, 7,691,558,947.20 and 1,854,974,188.80

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Solution

The fourth proportional to 5,127,705,964.80, 7,691,558,947.20 and 1,854,974,188.80 is: 2,782,461,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,705,964.80 : 7,691,558,947.20 = 1,854,974,188.80 : x
  2. Step 2: Convert to fraction form
    5,127,705,964.80/7,691,558,947.20 = 1,854,974,188.80/x
  3. Step 3: Cross multiply
    5,127,705,964.80x = 7,691,558,947.20 × 1,854,974,188.80
  4. Step 4: Simplify right side
    5,127,705,964.80x = 14,267,643,318,689,701,888
  5. Step 5: Solve for x
    x = 14,267,643,318,689,701,888/5,127,705,964.80
  6. Step 6: Final answer
    x = 2,782,461,283.20

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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.