Home / 3,520,940,715.40-5,281,411,073.10-1,888,353,963.40

Finding the Fourth Proportional to 3,520,940,715.40, 5,281,411,073.10 and 1,888,353,963.40

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Solution

The fourth proportional to 3,520,940,715.40, 5,281,411,073.10 and 1,888,353,963.40 is: 2,832,530,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,940,715.40 : 5,281,411,073.10 = 1,888,353,963.40 : x
  2. Step 2: Convert to fraction form
    3,520,940,715.40/5,281,411,073.10 = 1,888,353,963.40/x
  3. Step 3: Cross multiply
    3,520,940,715.40x = 5,281,411,073.10 × 1,888,353,963.40
  4. Step 4: Simplify right side
    3,520,940,715.40x = 9,973,173,532,233,033,728
  5. Step 5: Solve for x
    x = 9,973,173,532,233,033,728/3,520,940,715.40
  6. Step 6: Final answer
    x = 2,832,530,945.10

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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.