Home / 523,521,417,972.06-785,508,904,138.20-281,215,795,482.78

Finding the Fourth Proportional to 523,521,417,972.06, 785,508,904,138.20 and 281,215,795,482.78

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Solution

The fourth proportional to 523,521,417,972.06, 785,508,904,138.20 and 281,215,795,482.78 is: 421,945,509,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,521,417,972.06 : 785,508,904,138.20 = 281,215,795,482.78 : x
  2. Step 2: Convert to fraction form
    523,521,417,972.06/785,508,904,138.20 = 281,215,795,482.78/x
  3. Step 3: Cross multiply
    523,521,417,972.06x = 785,508,904,138.20 × 281,215,795,482.78
  4. Step 4: Simplify right side
    523,521,417,972.06x = 220,897,511,336,030,706,335,744
  5. Step 5: Solve for x
    x = 220,897,511,336,030,706,335,744/523,521,417,972.06
  6. Step 6: Final answer
    x = 421,945,509,300.67

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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.