Home / 1,255,087,458,981.60-1,882,631,188,472.40-406,229,796,558.20

Finding the Fourth Proportional to 1,255,087,458,981.60, 1,882,631,188,472.40 and 406,229,796,558.20

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Solution

The fourth proportional to 1,255,087,458,981.60, 1,882,631,188,472.40 and 406,229,796,558.20 is: 609,344,694,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,087,458,981.60 : 1,882,631,188,472.40 = 406,229,796,558.20 : x
  2. Step 2: Convert to fraction form
    1,255,087,458,981.60/1,882,631,188,472.40 = 406,229,796,558.20/x
  3. Step 3: Cross multiply
    1,255,087,458,981.60x = 1,882,631,188,472.40 × 406,229,796,558.20
  4. Step 4: Simplify right side
    1,255,087,458,981.60x = 764,780,884,687,265,372,045,312
  5. Step 5: Solve for x
    x = 764,780,884,687,265,372,045,312/1,255,087,458,981.60
  6. Step 6: Final answer
    x = 609,344,694,837.30

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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.