Home / 927,533,925.56-1,279,989,272.22-509,841,769.88

Finding the Fourth Proportional to 927,533,925.56, 1,279,989,272.22 and 509,841,769.88

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Solution

The fourth proportional to 927,533,925.56, 1,279,989,272.22 and 509,841,769.88 is: 703,577,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,533,925.56 : 1,279,989,272.22 = 509,841,769.88 : x
  2. Step 2: Convert to fraction form
    927,533,925.56/1,279,989,272.22 = 509,841,769.88/x
  3. Step 3: Cross multiply
    927,533,925.56x = 1,279,989,272.22 × 509,841,769.88
  4. Step 4: Simplify right side
    927,533,925.56x = 652,591,995,976,057,984
  5. Step 5: Solve for x
    x = 652,591,995,976,057,984/927,533,925.56
  6. Step 6: Final answer
    x = 703,577,495.11

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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.