Home / 545,656,543.20-818,484,814.80-200,565,329.85

Finding the Fourth Proportional to 545,656,543.20, 818,484,814.80 and 200,565,329.85

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Solution

The fourth proportional to 545,656,543.20, 818,484,814.80 and 200,565,329.85 is: 300,847,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,656,543.20 : 818,484,814.80 = 200,565,329.85 : x
  2. Step 2: Convert to fraction form
    545,656,543.20/818,484,814.80 = 200,565,329.85/x
  3. Step 3: Cross multiply
    545,656,543.20x = 818,484,814.80 × 200,565,329.85
  4. Step 4: Simplify right side
    545,656,543.20x = 164,159,676,857,578,144
  5. Step 5: Solve for x
    x = 164,159,676,857,578,144/545,656,543.20
  6. Step 6: Final answer
    x = 300,847,994.78

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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.