Home / 1,393,684,405.38-1,923,335,233.02-758,574,203.76

Finding the Fourth Proportional to 1,393,684,405.38, 1,923,335,233.02 and 758,574,203.76

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Solution

The fourth proportional to 1,393,684,405.38, 1,923,335,233.02 and 758,574,203.76 is: 1,046,860,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,684,405.38 : 1,923,335,233.02 = 758,574,203.76 : x
  2. Step 2: Convert to fraction form
    1,393,684,405.38/1,923,335,233.02 = 758,574,203.76/x
  3. Step 3: Cross multiply
    1,393,684,405.38x = 1,923,335,233.02 × 758,574,203.76
  4. Step 4: Simplify right side
    1,393,684,405.38x = 1,458,992,492,951,700,480
  5. Step 5: Solve for x
    x = 1,458,992,492,951,700,480/1,393,684,405.38
  6. Step 6: Final answer
    x = 1,046,860,026.07

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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.