Home / 437,228,360,039.20-655,842,540,058.80-260,763,872,000.80

Finding the Fourth Proportional to 437,228,360,039.20, 655,842,540,058.80 and 260,763,872,000.80

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Solution

The fourth proportional to 437,228,360,039.20, 655,842,540,058.80 and 260,763,872,000.80 is: 391,145,808,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,228,360,039.20 : 655,842,540,058.80 = 260,763,872,000.80 : x
  2. Step 2: Convert to fraction form
    437,228,360,039.20/655,842,540,058.80 = 260,763,872,000.80/x
  3. Step 3: Cross multiply
    437,228,360,039.20x = 655,842,540,058.80 × 260,763,872,000.80
  4. Step 4: Simplify right side
    437,228,360,039.20x = 171,020,040,168,572,471,738,368
  5. Step 5: Solve for x
    x = 171,020,040,168,572,471,738,368/437,228,360,039.20
  6. Step 6: Final answer
    x = 391,145,808,001.20

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1.5x scale

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.