Home / 853,076,543.80-1,279,614,815.70-724,255,245.40

Finding the Fourth Proportional to 853,076,543.80, 1,279,614,815.70 and 724,255,245.40

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Solution

The fourth proportional to 853,076,543.80, 1,279,614,815.70 and 724,255,245.40 is: 1,086,382,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,076,543.80 : 1,279,614,815.70 = 724,255,245.40 : x
  2. Step 2: Convert to fraction form
    853,076,543.80/1,279,614,815.70 = 724,255,245.40/x
  3. Step 3: Cross multiply
    853,076,543.80x = 1,279,614,815.70 × 724,255,245.40
  4. Step 4: Simplify right side
    853,076,543.80x = 926,767,742,362,279,296
  5. Step 5: Solve for x
    x = 926,767,742,362,279,296/853,076,543.80
  6. Step 6: Final answer
    x = 1,086,382,868.10

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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.