Home / 3,151,872,086.80-4,727,808,130.20-3,108,873,917.20

Finding the Fourth Proportional to 3,151,872,086.80, 4,727,808,130.20 and 3,108,873,917.20

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Solution

The fourth proportional to 3,151,872,086.80, 4,727,808,130.20 and 3,108,873,917.20 is: 4,663,310,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,872,086.80 : 4,727,808,130.20 = 3,108,873,917.20 : x
  2. Step 2: Convert to fraction form
    3,151,872,086.80/4,727,808,130.20 = 3,108,873,917.20/x
  3. Step 3: Cross multiply
    3,151,872,086.80x = 4,727,808,130.20 × 3,108,873,917.20
  4. Step 4: Simplify right side
    3,151,872,086.80x = 14,698,159,381,504,880,640
  5. Step 5: Solve for x
    x = 14,698,159,381,504,880,640/3,151,872,086.80
  6. Step 6: Final answer
    x = 4,663,310,875.80

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Double scale
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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.