Home / 507,025,159,659.52-699,711,500,473.23-278,662,496,073.28

Finding the Fourth Proportional to 507,025,159,659.52, 699,711,500,473.23 and 278,662,496,073.28

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Solution

The fourth proportional to 507,025,159,659.52, 699,711,500,473.23 and 278,662,496,073.28 is: 384,563,466,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,025,159,659.52 : 699,711,500,473.23 = 278,662,496,073.28 : x
  2. Step 2: Convert to fraction form
    507,025,159,659.52/699,711,500,473.23 = 278,662,496,073.28/x
  3. Step 3: Cross multiply
    507,025,159,659.52x = 699,711,500,473.23 × 278,662,496,073.28
  4. Step 4: Simplify right side
    507,025,159,659.52x = 194,983,353,253,050,313,605,120
  5. Step 5: Solve for x
    x = 194,983,353,253,050,313,605,120/507,025,159,659.52
  6. Step 6: Final answer
    x = 384,563,466,996.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.