Home / 1,307,106,833.20-1,960,659,051.85-409,720,065.14

Finding the Fourth Proportional to 1,307,106,833.20, 1,960,659,051.85 and 409,720,065.14

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Solution

The fourth proportional to 1,307,106,833.20, 1,960,659,051.85 and 409,720,065.14 is: 614,579,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,106,833.20 : 1,960,659,051.85 = 409,720,065.14 : x
  2. Step 2: Convert to fraction form
    1,307,106,833.20/1,960,659,051.85 = 409,720,065.14/x
  3. Step 3: Cross multiply
    1,307,106,833.20x = 1,960,659,051.85 × 409,720,065.14
  4. Step 4: Simplify right side
    1,307,106,833.20x = 803,321,354,446,705,920
  5. Step 5: Solve for x
    x = 803,321,354,446,705,920/1,307,106,833.20
  6. Step 6: Final answer
    x = 614,579,722.21

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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.