Home / 524,212,992,057.60-786,319,488,086.40-509,519,711,289.60

Finding the Fourth Proportional to 524,212,992,057.60, 786,319,488,086.40 and 509,519,711,289.60

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Solution

The fourth proportional to 524,212,992,057.60, 786,319,488,086.40 and 509,519,711,289.60 is: 764,279,566,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,212,992,057.60 : 786,319,488,086.40 = 509,519,711,289.60 : x
  2. Step 2: Convert to fraction form
    524,212,992,057.60/786,319,488,086.40 = 509,519,711,289.60/x
  3. Step 3: Cross multiply
    524,212,992,057.60x = 786,319,488,086.40 × 509,519,711,289.60
  4. Step 4: Simplify right side
    524,212,992,057.60x = 400,645,278,551,168,581,107,712
  5. Step 5: Solve for x
    x = 400,645,278,551,168,581,107,712/524,212,992,057.60
  6. Step 6: Final answer
    x = 764,279,566,934.40

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Double scale
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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.