Home / 853,076,544.80-1,279,614,817.20-724,255,246.40

Finding the Fourth Proportional to 853,076,544.80, 1,279,614,817.20 and 724,255,246.40

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Solution

The fourth proportional to 853,076,544.80, 1,279,614,817.20 and 724,255,246.40 is: 1,086,382,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,076,544.80 : 1,279,614,817.20 = 724,255,246.40 : x
  2. Step 2: Convert to fraction form
    853,076,544.80/1,279,614,817.20 = 724,255,246.40/x
  3. Step 3: Cross multiply
    853,076,544.80x = 1,279,614,817.20 × 724,255,246.40
  4. Step 4: Simplify right side
    853,076,544.80x = 926,767,744,728,276,992
  5. Step 5: Solve for x
    x = 926,767,744,728,276,992/853,076,544.80
  6. Step 6: Final answer
    x = 1,086,382,869.60

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1.5x scale

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.