Home / 1,812,915,612.20-2,719,373,418.30-586,208,066.60

Finding the Fourth Proportional to 1,812,915,612.20, 2,719,373,418.30 and 586,208,066.60

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Solution

The fourth proportional to 1,812,915,612.20, 2,719,373,418.30 and 586,208,066.60 is: 879,312,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,915,612.20 : 2,719,373,418.30 = 586,208,066.60 : x
  2. Step 2: Convert to fraction form
    1,812,915,612.20/2,719,373,418.30 = 586,208,066.60/x
  3. Step 3: Cross multiply
    1,812,915,612.20x = 2,719,373,418.30 × 586,208,066.60
  4. Step 4: Simplify right side
    1,812,915,612.20x = 1,594,118,633,905,076,224
  5. Step 5: Solve for x
    x = 1,594,118,633,905,076,224/1,812,915,612.20
  6. Step 6: Final answer
    x = 879,312,099.90

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Half scale
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Double scale
Find fourth proportional to 1,812,915,613.20, 2,719,373,419.80 and 586,208,067.60
Similar ratio
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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.