Home / 1,789,779,620.40-2,680,134,467.40-1,426,982,564.40

Finding the Fourth Proportional to 1,789,779,620.40, 2,680,134,467.40 and 1,426,982,564.40

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Solution

The fourth proportional to 1,789,779,620.40, 2,680,134,467.40 and 1,426,982,564.40 is: 2,136,858,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,779,620.40 : 2,680,134,467.40 = 1,426,982,564.40 : x
  2. Step 2: Convert to fraction form
    1,789,779,620.40/2,680,134,467.40 = 1,426,982,564.40/x
  3. Step 3: Cross multiply
    1,789,779,620.40x = 2,680,134,467.40 × 1,426,982,564.40
  4. Step 4: Simplify right side
    1,789,779,620.40x = 3,824,505,155,227,280,384
  5. Step 5: Solve for x
    x = 3,824,505,155,227,280,384/1,789,779,620.40
  6. Step 6: Final answer
    x = 2,136,858,142.55

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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.