Home / 2,909,983,783.21-4,015,779,380.07-1,571,874,464.09

Finding the Fourth Proportional to 2,909,983,783.21, 4,015,779,380.07 and 1,571,874,464.09

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Solution

The fourth proportional to 2,909,983,783.21, 4,015,779,380.07 and 1,571,874,464.09 is: 2,169,187,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,983,783.21 : 4,015,779,380.07 = 1,571,874,464.09 : x
  2. Step 2: Convert to fraction form
    2,909,983,783.21/4,015,779,380.07 = 1,571,874,464.09/x
  3. Step 3: Cross multiply
    2,909,983,783.21x = 4,015,779,380.07 × 1,571,874,464.09
  4. Step 4: Simplify right side
    2,909,983,783.21x = 6,312,301,060,948,984,832
  5. Step 5: Solve for x
    x = 6,312,301,060,948,984,832/2,909,983,783.21
  6. Step 6: Final answer
    x = 2,169,187,710.73

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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.