Home / 1,872,800,077.20-2,808,349,810.20-707,881,405.20

Finding the Fourth Proportional to 1,872,800,077.20, 2,808,349,810.20 and 707,881,405.20

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Solution

The fourth proportional to 1,872,800,077.20, 2,808,349,810.20 and 707,881,405.20 is: 1,061,500,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,800,077.20 : 2,808,349,810.20 = 707,881,405.20 : x
  2. Step 2: Convert to fraction form
    1,872,800,077.20/2,808,349,810.20 = 707,881,405.20/x
  3. Step 3: Cross multiply
    1,872,800,077.20x = 2,808,349,810.20 × 707,881,405.20
  4. Step 4: Simplify right side
    1,872,800,077.20x = 1,987,978,609,937,529,344
  5. Step 5: Solve for x
    x = 1,987,978,609,937,529,344/1,872,800,077.20
  6. Step 6: Final answer
    x = 1,061,500,709.09

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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.