Home / 452,311,469.15-678,506,282.81-124,786,982.70

Finding the Fourth Proportional to 452,311,469.15, 678,506,282.81 and 124,786,982.70

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Solution

The fourth proportional to 452,311,469.15, 678,506,282.81 and 124,786,982.70 is: 187,191,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,311,469.15 : 678,506,282.81 = 124,786,982.70 : x
  2. Step 2: Convert to fraction form
    452,311,469.15/678,506,282.81 = 124,786,982.70/x
  3. Step 3: Cross multiply
    452,311,469.15x = 678,506,282.81 × 124,786,982.70
  4. Step 4: Simplify right side
    452,311,469.15x = 84,668,751,774,696,800
  5. Step 5: Solve for x
    x = 84,668,751,774,696,800/452,311,469.15
  6. Step 6: Final answer
    x = 187,191,255.47

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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.