Home / 3,114,288,477.90-4,671,432,716.85-1,638,409,898.70

Finding the Fourth Proportional to 3,114,288,477.90, 4,671,432,716.85 and 1,638,409,898.70

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Solution

The fourth proportional to 3,114,288,477.90, 4,671,432,716.85 and 1,638,409,898.70 is: 2,457,614,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,288,477.90 : 4,671,432,716.85 = 1,638,409,898.70 : x
  2. Step 2: Convert to fraction form
    3,114,288,477.90/4,671,432,716.85 = 1,638,409,898.70/x
  3. Step 3: Cross multiply
    3,114,288,477.90x = 4,671,432,716.85 × 1,638,409,898.70
  4. Step 4: Simplify right side
    3,114,288,477.90x = 7,653,721,604,398,074,880
  5. Step 5: Solve for x
    x = 7,653,721,604,398,074,880/3,114,288,477.90
  6. Step 6: Final answer
    x = 2,457,614,848.05

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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.