Home / 1,236,511,459.46-1,854,950,831.58-407,311,940.36

Finding the Fourth Proportional to 1,236,511,459.46, 1,854,950,831.58 and 407,311,940.36

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Solution

The fourth proportional to 1,236,511,459.46, 1,854,950,831.58 and 407,311,940.36 is: 611,028,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,511,459.46 : 1,854,950,831.58 = 407,311,940.36 : x
  2. Step 2: Convert to fraction form
    1,236,511,459.46/1,854,950,831.58 = 407,311,940.36/x
  3. Step 3: Cross multiply
    1,236,511,459.46x = 1,854,950,831.58 × 407,311,940.36
  4. Step 4: Simplify right side
    1,236,511,459.46x = 755,543,622,483,245,312
  5. Step 5: Solve for x
    x = 755,543,622,483,245,312/1,236,511,459.46
  6. Step 6: Final answer
    x = 611,028,403.10

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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.