Home / 3,521,002,752.80-5,281,504,129.20-1,888,416,000.80

Finding the Fourth Proportional to 3,521,002,752.80, 5,281,504,129.20 and 1,888,416,000.80

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Solution

The fourth proportional to 3,521,002,752.80, 5,281,504,129.20 and 1,888,416,000.80 is: 2,832,624,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,002,752.80 : 5,281,504,129.20 = 1,888,416,000.80 : x
  2. Step 2: Convert to fraction form
    3,521,002,752.80/5,281,504,129.20 = 1,888,416,000.80/x
  3. Step 3: Cross multiply
    3,521,002,752.80x = 5,281,504,129.20 × 1,888,416,000.80
  4. Step 4: Simplify right side
    3,521,002,752.80x = 9,973,676,905,872,549,888
  5. Step 5: Solve for x
    x = 9,973,676,905,872,549,888/3,521,002,752.80
  6. Step 6: Final answer
    x = 2,832,624,001.20

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Double scale
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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.