Home / 899,474,178.27-1,241,277,699.21-523,221,045.87

Finding the Fourth Proportional to 899,474,178.27, 1,241,277,699.21 and 523,221,045.87

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Solution

The fourth proportional to 899,474,178.27, 1,241,277,699.21 and 523,221,045.87 is: 722,046,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,474,178.27 : 1,241,277,699.21 = 523,221,045.87 : x
  2. Step 2: Convert to fraction form
    899,474,178.27/1,241,277,699.21 = 523,221,045.87/x
  3. Step 3: Cross multiply
    899,474,178.27x = 1,241,277,699.21 × 523,221,045.87
  4. Step 4: Simplify right side
    899,474,178.27x = 649,462,615,995,763,456
  5. Step 5: Solve for x
    x = 649,462,615,995,763,456/899,474,178.27
  6. Step 6: Final answer
    x = 722,046,982.21

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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.