Home / 927,125,112.24-1,279,432,362.15-509,464,301.73

Finding the Fourth Proportional to 927,125,112.24, 1,279,432,362.15 and 509,464,301.73

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Solution

The fourth proportional to 927,125,112.24, 1,279,432,362.15 and 509,464,301.73 is: 703,060,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,125,112.24 : 1,279,432,362.15 = 509,464,301.73 : x
  2. Step 2: Convert to fraction form
    927,125,112.24/1,279,432,362.15 = 509,464,301.73/x
  3. Step 3: Cross multiply
    927,125,112.24x = 1,279,432,362.15 × 509,464,301.73
  4. Step 4: Simplify right side
    927,125,112.24x = 651,825,114,990,966,912
  5. Step 5: Solve for x
    x = 651,825,114,990,966,912/927,125,112.24
  6. Step 6: Final answer
    x = 703,060,575.52

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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.