Home / 919,828,850.49-1,269,368,970.87-523,351,831.83

Finding the Fourth Proportional to 919,828,850.49, 1,269,368,970.87 and 523,351,831.83

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Solution

The fourth proportional to 919,828,850.49, 1,269,368,970.87 and 523,351,831.83 is: 722,228,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,828,850.49 : 1,269,368,970.87 = 523,351,831.83 : x
  2. Step 2: Convert to fraction form
    919,828,850.49/1,269,368,970.87 = 523,351,831.83/x
  3. Step 3: Cross multiply
    919,828,850.49x = 1,269,368,970.87 × 523,351,831.83
  4. Step 4: Simplify right side
    919,828,850.49x = 664,326,576,172,976,384
  5. Step 5: Solve for x
    x = 664,326,576,172,976,384/919,828,850.49
  6. Step 6: Final answer
    x = 722,228,462.20

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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.