Home / 1,076,184,420.40-1,614,276,630.60-815,990,906.80

Finding the Fourth Proportional to 1,076,184,420.40, 1,614,276,630.60 and 815,990,906.80

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Solution

The fourth proportional to 1,076,184,420.40, 1,614,276,630.60 and 815,990,906.80 is: 1,223,986,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,184,420.40 : 1,614,276,630.60 = 815,990,906.80 : x
  2. Step 2: Convert to fraction form
    1,076,184,420.40/1,614,276,630.60 = 815,990,906.80/x
  3. Step 3: Cross multiply
    1,076,184,420.40x = 1,614,276,630.60 × 815,990,906.80
  4. Step 4: Simplify right side
    1,076,184,420.40x = 1,317,235,051,629,342,464
  5. Step 5: Solve for x
    x = 1,317,235,051,629,342,464/1,076,184,420.40
  6. Step 6: Final answer
    x = 1,223,986,360.20

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Double scale
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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.