Home / 2,690,953,507.69-4,036,315,264.76-920,482,540.68

Finding the Fourth Proportional to 2,690,953,507.69, 4,036,315,264.76 and 920,482,540.68

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Solution

The fourth proportional to 2,690,953,507.69, 4,036,315,264.76 and 920,482,540.68 is: 1,380,684,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,953,507.69 : 4,036,315,264.76 = 920,482,540.68 : x
  2. Step 2: Convert to fraction form
    2,690,953,507.69/4,036,315,264.76 = 920,482,540.68/x
  3. Step 3: Cross multiply
    2,690,953,507.69x = 4,036,315,264.76 × 920,482,540.68
  4. Step 4: Simplify right side
    2,690,953,507.69x = 3,715,357,729,909,189,120
  5. Step 5: Solve for x
    x = 3,715,357,729,909,189,120/2,690,953,507.69
  6. Step 6: Final answer
    x = 1,380,684,474.59

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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.