Home / 820,908,608.34-1,233,327,334.68-526,380,774.88

Finding the Fourth Proportional to 820,908,608.34, 1,233,327,334.68 and 526,380,774.88

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Solution

The fourth proportional to 820,908,608.34, 1,233,327,334.68 and 526,380,774.88 is: 790,830,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,908,608.34 : 1,233,327,334.68 = 526,380,774.88 : x
  2. Step 2: Convert to fraction form
    820,908,608.34/1,233,327,334.68 = 526,380,774.88/x
  3. Step 3: Cross multiply
    820,908,608.34x = 1,233,327,334.68 × 526,380,774.88
  4. Step 4: Simplify right side
    820,908,608.34x = 649,199,798,109,543,552
  5. Step 5: Solve for x
    x = 649,199,798,109,543,552/820,908,608.34
  6. Step 6: Final answer
    x = 790,830,783.74

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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.