Home / 2,789,386,827.80-4,184,080,241.70-1,821,928,011.80

Finding the Fourth Proportional to 2,789,386,827.80, 4,184,080,241.70 and 1,821,928,011.80

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Solution

The fourth proportional to 2,789,386,827.80, 4,184,080,241.70 and 1,821,928,011.80 is: 2,732,892,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,386,827.80 : 4,184,080,241.70 = 1,821,928,011.80 : x
  2. Step 2: Convert to fraction form
    2,789,386,827.80/4,184,080,241.70 = 1,821,928,011.80/x
  3. Step 3: Cross multiply
    2,789,386,827.80x = 4,184,080,241.70 × 1,821,928,011.80
  4. Step 4: Simplify right side
    2,789,386,827.80x = 7,623,092,995,972,144,128
  5. Step 5: Solve for x
    x = 7,623,092,995,972,144,128/2,789,386,827.80
  6. Step 6: Final answer
    x = 2,732,892,017.70

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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.