Home / 1,210,737,994.88-1,816,107,016.35-290,614,333.64

Finding the Fourth Proportional to 1,210,737,994.88, 1,816,107,016.35 and 290,614,333.64

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Solution

The fourth proportional to 1,210,737,994.88, 1,816,107,016.35 and 290,614,333.64 is: 435,921,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,737,994.88 : 1,816,107,016.35 = 290,614,333.64 : x
  2. Step 2: Convert to fraction form
    1,210,737,994.88/1,816,107,016.35 = 290,614,333.64/x
  3. Step 3: Cross multiply
    1,210,737,994.88x = 1,816,107,016.35 × 290,614,333.64
  4. Step 4: Simplify right side
    1,210,737,994.88x = 527,786,730,375,483,776
  5. Step 5: Solve for x
    x = 527,786,730,375,483,776/1,210,737,994.88
  6. Step 6: Final answer
    x = 435,921,506.23

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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.