Home / 437,228,360,040.70-655,842,540,061.05-260,763,872,002.30

Finding the Fourth Proportional to 437,228,360,040.70, 655,842,540,061.05 and 260,763,872,002.30

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Solution

The fourth proportional to 437,228,360,040.70, 655,842,540,061.05 and 260,763,872,002.30 is: 391,145,808,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,228,360,040.70 : 655,842,540,061.05 = 260,763,872,002.30 : x
  2. Step 2: Convert to fraction form
    437,228,360,040.70/655,842,540,061.05 = 260,763,872,002.30/x
  3. Step 3: Cross multiply
    437,228,360,040.70x = 655,842,540,061.05 × 260,763,872,002.30
  4. Step 4: Simplify right side
    437,228,360,040.70x = 171,020,040,170,142,953,373,696
  5. Step 5: Solve for x
    x = 171,020,040,170,142,953,373,696/437,228,360,040.70
  6. Step 6: Final answer
    x = 391,145,808,003.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.