Home / 1,901,354,774.51-2,620,837,872.11-1,498,812,069.57

Finding the Fourth Proportional to 1,901,354,774.51, 2,620,837,872.11 and 1,498,812,069.57

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Solution

The fourth proportional to 1,901,354,774.51, 2,620,837,872.11 and 1,498,812,069.57 is: 2,065,970,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,354,774.51 : 2,620,837,872.11 = 1,498,812,069.57 : x
  2. Step 2: Convert to fraction form
    1,901,354,774.51/2,620,837,872.11 = 1,498,812,069.57/x
  3. Step 3: Cross multiply
    1,901,354,774.51x = 2,620,837,872.11 × 1,498,812,069.57
  4. Step 4: Simplify right side
    1,901,354,774.51x = 3,928,143,435,097,129,984
  5. Step 5: Solve for x
    x = 3,928,143,435,097,129,984/1,901,354,774.51
  6. Step 6: Final answer
    x = 2,065,970,795.02

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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.