Home / 927,533,927.56-1,279,989,274.96-509,841,771.88

Finding the Fourth Proportional to 927,533,927.56, 1,279,989,274.96 and 509,841,771.88

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Solution

The fourth proportional to 927,533,927.56, 1,279,989,274.96 and 509,841,771.88 is: 703,577,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,533,927.56 : 1,279,989,274.96 = 509,841,771.88 : x
  2. Step 2: Convert to fraction form
    927,533,927.56/1,279,989,274.96 = 509,841,771.88/x
  3. Step 3: Cross multiply
    927,533,927.56x = 1,279,989,274.96 × 509,841,771.88
  4. Step 4: Simplify right side
    927,533,927.56x = 652,591,999,933,002,880
  5. Step 5: Solve for x
    x = 652,591,999,933,002,880/927,533,927.56
  6. Step 6: Final answer
    x = 703,577,497.86

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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.