Home / 927,533,924.56-1,279,989,270.84-509,841,768.88

Finding the Fourth Proportional to 927,533,924.56, 1,279,989,270.84 and 509,841,768.88

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Solution

The fourth proportional to 927,533,924.56, 1,279,989,270.84 and 509,841,768.88 is: 703,577,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,533,924.56 : 1,279,989,270.84 = 509,841,768.88 : x
  2. Step 2: Convert to fraction form
    927,533,924.56/1,279,989,270.84 = 509,841,768.88/x
  3. Step 3: Cross multiply
    927,533,924.56x = 1,279,989,270.84 × 509,841,768.88
  4. Step 4: Simplify right side
    927,533,924.56x = 652,591,993,992,486,912
  5. Step 5: Solve for x
    x = 652,591,993,992,486,912/927,533,924.56
  6. Step 6: Final answer
    x = 703,577,493.73

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1.5x scale

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.