Home / 810,947,507,946.85-1,119,108,786,840.30-440,151,058,859.30

Finding the Fourth Proportional to 810,947,507,946.85, 1,119,108,786,840.30 and 440,151,058,859.30

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Solution

The fourth proportional to 810,947,507,946.85, 1,119,108,786,840.30 and 440,151,058,859.30 is: 607,409,126,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,947,507,946.85 : 1,119,108,786,840.30 = 440,151,058,859.30 : x
  2. Step 2: Convert to fraction form
    810,947,507,946.85/1,119,108,786,840.30 = 440,151,058,859.30/x
  3. Step 3: Cross multiply
    810,947,507,946.85x = 1,119,108,786,840.30 × 440,151,058,859.30
  4. Step 4: Simplify right side
    810,947,507,946.85x = 492,576,917,506,504,695,742,464
  5. Step 5: Solve for x
    x = 492,576,917,506,504,695,742,464/810,947,507,946.85
  6. Step 6: Final answer
    x = 607,409,126,582.81

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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.