Home / 1,407,918,489.74-2,111,958,440.30-372,752,471.96

Finding the Fourth Proportional to 1,407,918,489.74, 2,111,958,440.30 and 372,752,471.96

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Solution

The fourth proportional to 1,407,918,489.74, 2,111,958,440.30 and 372,752,471.96 is: 559,150,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,918,489.74 : 2,111,958,440.30 = 372,752,471.96 : x
  2. Step 2: Convert to fraction form
    1,407,918,489.74/2,111,958,440.30 = 372,752,471.96/x
  3. Step 3: Cross multiply
    1,407,918,489.74x = 2,111,958,440.30 × 372,752,471.96
  4. Step 4: Simplify right side
    1,407,918,489.74x = 787,237,729,288,983,168
  5. Step 5: Solve for x
    x = 787,237,729,288,983,168/1,407,918,489.74
  6. Step 6: Final answer
    x = 559,150,075.11

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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.