Home / 1,901,354,770.74-2,620,837,866.95-1,498,812,065.82

Finding the Fourth Proportional to 1,901,354,770.74, 2,620,837,866.95 and 1,498,812,065.82

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Solution

The fourth proportional to 1,901,354,770.74, 2,620,837,866.95 and 1,498,812,065.82 is: 2,065,970,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,354,770.74 : 2,620,837,866.95 = 1,498,812,065.82 : x
  2. Step 2: Convert to fraction form
    1,901,354,770.74/2,620,837,866.95 = 1,498,812,065.82/x
  3. Step 3: Cross multiply
    1,901,354,770.74x = 2,620,837,866.95 × 1,498,812,065.82
  4. Step 4: Simplify right side
    1,901,354,770.74x = 3,928,143,417,540,813,312
  5. Step 5: Solve for x
    x = 3,928,143,417,540,813,312/1,901,354,770.74
  6. Step 6: Final answer
    x = 2,065,970,789.87

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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.