Home / 1,872,807,614.20-2,808,361,115.70-707,888,942.20

Finding the Fourth Proportional to 1,872,807,614.20, 2,808,361,115.70 and 707,888,942.20

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Solution

The fourth proportional to 1,872,807,614.20, 2,808,361,115.70 and 707,888,942.20 is: 1,061,512,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,807,614.20 : 2,808,361,115.70 = 707,888,942.20 : x
  2. Step 2: Convert to fraction form
    1,872,807,614.20/2,808,361,115.70 = 707,888,942.20/x
  3. Step 3: Cross multiply
    1,872,807,614.20x = 2,808,361,115.70 × 707,888,942.20
  4. Step 4: Simplify right side
    1,872,807,614.20x = 1,988,007,779,508,484,864
  5. Step 5: Solve for x
    x = 1,988,007,779,508,484,864/1,872,807,614.20
  6. Step 6: Final answer
    x = 1,061,512,012.46

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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.