Home / 1,872,807,617.20-2,808,361,120.20-707,888,945.20

Finding the Fourth Proportional to 1,872,807,617.20, 2,808,361,120.20 and 707,888,945.20

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Solution

The fourth proportional to 1,872,807,617.20, 2,808,361,120.20 and 707,888,945.20 is: 1,061,512,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,807,617.20 : 2,808,361,120.20 = 707,888,945.20 : x
  2. Step 2: Convert to fraction form
    1,872,807,617.20/2,808,361,120.20 = 707,888,945.20/x
  3. Step 3: Cross multiply
    1,872,807,617.20x = 2,808,361,120.20 × 707,888,945.20
  4. Step 4: Simplify right side
    1,872,807,617.20x = 1,988,007,791,119,068,416
  5. Step 5: Solve for x
    x = 1,988,007,791,119,068,416/1,872,807,617.20
  6. Step 6: Final answer
    x = 1,061,512,016.96

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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.