Home / 1,255,087,458,980.10-1,882,631,188,470.20-406,229,796,556.70

Finding the Fourth Proportional to 1,255,087,458,980.10, 1,882,631,188,470.20 and 406,229,796,556.70

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Solution

The fourth proportional to 1,255,087,458,980.10, 1,882,631,188,470.20 and 406,229,796,556.70 is: 609,344,694,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,087,458,980.10 : 1,882,631,188,470.20 = 406,229,796,556.70 : x
  2. Step 2: Convert to fraction form
    1,255,087,458,980.10/1,882,631,188,470.20 = 406,229,796,556.70/x
  3. Step 3: Cross multiply
    1,255,087,458,980.10x = 1,882,631,188,470.20 × 406,229,796,556.70
  4. Step 4: Simplify right side
    1,255,087,458,980.10x = 764,780,884,683,547,675,197,440
  5. Step 5: Solve for x
    x = 764,780,884,683,547,675,197,440/1,255,087,458,980.10
  6. Step 6: Final answer
    x = 609,344,694,835.07

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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.