Home / 927,533,939.06-1,279,989,290.84-509,841,783.38

Finding the Fourth Proportional to 927,533,939.06, 1,279,989,290.84 and 509,841,783.38

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Solution

The fourth proportional to 927,533,939.06, 1,279,989,290.84 and 509,841,783.38 is: 703,577,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,533,939.06 : 1,279,989,290.84 = 509,841,783.38 : x
  2. Step 2: Convert to fraction form
    927,533,939.06/1,279,989,290.84 = 509,841,783.38/x
  3. Step 3: Cross multiply
    927,533,939.06x = 1,279,989,290.84 × 509,841,783.38
  4. Step 4: Simplify right side
    927,533,939.06x = 652,592,022,749,167,104
  5. Step 5: Solve for x
    x = 652,592,022,749,167,104/927,533,939.06
  6. Step 6: Final answer
    x = 703,577,513.74

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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.