Home / 2,158,180,001.36-3,237,278,400.12-522,401,978.96

Finding the Fourth Proportional to 2,158,180,001.36, 3,237,278,400.12 and 522,401,978.96

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Solution

The fourth proportional to 2,158,180,001.36, 3,237,278,400.12 and 522,401,978.96 is: 783,605,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,180,001.36 : 3,237,278,400.12 = 522,401,978.96 : x
  2. Step 2: Convert to fraction form
    2,158,180,001.36/3,237,278,400.12 = 522,401,978.96/x
  3. Step 3: Cross multiply
    2,158,180,001.36x = 3,237,278,400.12 × 522,401,978.96
  4. Step 4: Simplify right side
    2,158,180,001.36x = 1,691,160,642,667,150,592
  5. Step 5: Solve for x
    x = 1,691,160,642,667,150,592/2,158,180,001.36
  6. Step 6: Final answer
    x = 783,605,001.25

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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.