Home / 1,210,737,765.48-1,816,106,671.86-290,614,104.12

Finding the Fourth Proportional to 1,210,737,765.48, 1,816,106,671.86 and 290,614,104.12

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Solution

The fourth proportional to 1,210,737,765.48, 1,816,106,671.86 and 290,614,104.12 is: 435,921,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,737,765.48 : 1,816,106,671.86 = 290,614,104.12 : x
  2. Step 2: Convert to fraction form
    1,210,737,765.48/1,816,106,671.86 = 290,614,104.12/x
  3. Step 3: Cross multiply
    1,210,737,765.48x = 1,816,106,671.86 × 290,614,104.12
  4. Step 4: Simplify right side
    1,210,737,765.48x = 527,786,213,428,948,672
  5. Step 5: Solve for x
    x = 527,786,213,428,948,672/1,210,737,765.48
  6. Step 6: Final answer
    x = 435,921,161.85

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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.