Home / 927,343,684.88-1,279,764,975.84-509,670,774.80

Finding the Fourth Proportional to 927,343,684.88, 1,279,764,975.84 and 509,670,774.80

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Solution

The fourth proportional to 927,343,684.88, 1,279,764,975.84 and 509,670,774.80 is: 703,362,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,343,684.88 : 1,279,764,975.84 = 509,670,774.80 : x
  2. Step 2: Convert to fraction form
    927,343,684.88/1,279,764,975.84 = 509,670,774.80/x
  3. Step 3: Cross multiply
    927,343,684.88x = 1,279,764,975.84 × 509,670,774.80
  4. Step 4: Simplify right side
    927,343,684.88x = 652,258,806,798,276,096
  5. Step 5: Solve for x
    x = 652,258,806,798,276,096/927,343,684.88
  6. Step 6: Final answer
    x = 703,362,536.92

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Double scale
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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.