Home / 3,886,165,875.40-5,829,248,813.10-3,188,808,995.20

Finding the Fourth Proportional to 3,886,165,875.40, 5,829,248,813.10 and 3,188,808,995.20

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Solution

The fourth proportional to 3,886,165,875.40, 5,829,248,813.10 and 3,188,808,995.20 is: 4,783,213,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,165,875.40 : 5,829,248,813.10 = 3,188,808,995.20 : x
  2. Step 2: Convert to fraction form
    3,886,165,875.40/5,829,248,813.10 = 3,188,808,995.20/x
  3. Step 3: Cross multiply
    3,886,165,875.40x = 5,829,248,813.10 × 3,188,808,995.20
  4. Step 4: Simplify right side
    3,886,165,875.40x = 18,588,361,050,472,202,240
  5. Step 5: Solve for x
    x = 18,588,361,050,472,202,240/3,886,165,875.40
  6. Step 6: Final answer
    x = 4,783,213,492.80

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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.