Home / 810,947,507,931.86-1,119,108,786,819.30-440,151,058,844.30

Finding the Fourth Proportional to 810,947,507,931.86, 1,119,108,786,819.30 and 440,151,058,844.30

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Solution

The fourth proportional to 810,947,507,931.86, 1,119,108,786,819.30 and 440,151,058,844.30 is: 607,409,126,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,947,507,931.86 : 1,119,108,786,819.30 = 440,151,058,844.30 : x
  2. Step 2: Convert to fraction form
    810,947,507,931.86/1,119,108,786,819.30 = 440,151,058,844.30/x
  3. Step 3: Cross multiply
    810,947,507,931.86x = 1,119,108,786,819.30 × 440,151,058,844.30
  4. Step 4: Simplify right side
    810,947,507,931.86x = 492,576,917,480,474,912,227,328
  5. Step 5: Solve for x
    x = 492,576,917,480,474,912,227,328/810,947,507,931.86
  6. Step 6: Final answer
    x = 607,409,126,561.94

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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.