Home / 1,048,142,722.80-1,572,214,084.20-321,036,956.40

Finding the Fourth Proportional to 1,048,142,722.80, 1,572,214,084.20 and 321,036,956.40

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Solution

The fourth proportional to 1,048,142,722.80, 1,572,214,084.20 and 321,036,956.40 is: 481,555,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,142,722.80 : 1,572,214,084.20 = 321,036,956.40 : x
  2. Step 2: Convert to fraction form
    1,048,142,722.80/1,572,214,084.20 = 321,036,956.40/x
  3. Step 3: Cross multiply
    1,048,142,722.80x = 1,572,214,084.20 × 321,036,956.40
  4. Step 4: Simplify right side
    1,048,142,722.80x = 504,738,824,400,781,312
  5. Step 5: Solve for x
    x = 504,738,824,400,781,312/1,048,142,722.80
  6. Step 6: Final answer
    x = 481,555,434.60

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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.