Home / 1,290,211,415,999.50-1,935,317,123,999.20-1,290,211,415,999.50

Finding the Fourth Proportional to 1,290,211,415,999.50, 1,935,317,123,999.20 and 1,290,211,415,999.50

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Solution

The fourth proportional to 1,290,211,415,999.50, 1,935,317,123,999.20 and 1,290,211,415,999.50 is: 1,935,317,123,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,211,415,999.50 : 1,935,317,123,999.20 = 1,290,211,415,999.50 : x
  2. Step 2: Convert to fraction form
    1,290,211,415,999.50/1,935,317,123,999.20 = 1,290,211,415,999.50/x
  3. Step 3: Cross multiply
    1,290,211,415,999.50x = 1,935,317,123,999.20 × 1,290,211,415,999.50
  4. Step 4: Simplify right side
    1,290,211,415,999.50x = 2,496,968,246,963,087,882,584,064
  5. Step 5: Solve for x
    x = 2,496,968,246,963,087,882,584,064/1,290,211,415,999.50
  6. Step 6: Final answer
    x = 1,935,317,123,999.20

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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.