Home / 4,855,012,858.98-7,279,570,281.66-1,903,756,829.76

Finding the Fourth Proportional to 4,855,012,858.98, 7,279,570,281.66 and 1,903,756,829.76

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Solution

The fourth proportional to 4,855,012,858.98, 7,279,570,281.66 and 1,903,756,829.76 is: 2,854,478,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855,012,858.98 : 7,279,570,281.66 = 1,903,756,829.76 : x
  2. Step 2: Convert to fraction form
    4,855,012,858.98/7,279,570,281.66 = 1,903,756,829.76/x
  3. Step 3: Cross multiply
    4,855,012,858.98x = 7,279,570,281.66 × 1,903,756,829.76
  4. Step 4: Simplify right side
    4,855,012,858.98x = 13,858,531,641,428,152,320
  5. Step 5: Solve for x
    x = 13,858,531,641,428,152,320/4,855,012,858.98
  6. Step 6: Final answer
    x = 2,854,478,874.51

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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.