Home / 810,947,507,938.85-1,119,108,786,829-440,151,058,851.30

Finding the Fourth Proportional to 810,947,507,938.85, 1,119,108,786,829 and 440,151,058,851.30

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Solution

The fourth proportional to 810,947,507,938.85, 1,119,108,786,829 and 440,151,058,851.30 is: 607,409,126,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,947,507,938.85 : 1,119,108,786,829 = 440,151,058,851.30 : x
  2. Step 2: Convert to fraction form
    810,947,507,938.85/1,119,108,786,829 = 440,151,058,851.30/x
  3. Step 3: Cross multiply
    810,947,507,938.85x = 1,119,108,786,829 × 440,151,058,851.30
  4. Step 4: Simplify right side
    810,947,507,938.85x = 492,576,917,492,578,130,067,456
  5. Step 5: Solve for x
    x = 492,576,917,492,578,130,067,456/810,947,507,938.85
  6. Step 6: Final answer
    x = 607,409,126,571.63

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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.