Home / 761,151,190.40-1,141,852,756.80-324,660,982.40

Finding the Fourth Proportional to 761,151,190.40, 1,141,852,756.80 and 324,660,982.40

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Solution

The fourth proportional to 761,151,190.40, 1,141,852,756.80 and 324,660,982.40 is: 487,045,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,151,190.40 : 1,141,852,756.80 = 324,660,982.40 : x
  2. Step 2: Convert to fraction form
    761,151,190.40/1,141,852,756.80 = 324,660,982.40/x
  3. Step 3: Cross multiply
    761,151,190.40x = 1,141,852,756.80 × 324,660,982.40
  4. Step 4: Simplify right side
    761,151,190.40x = 370,715,037,778,836,224
  5. Step 5: Solve for x
    x = 370,715,037,778,836,224/761,151,190.40
  6. Step 6: Final answer
    x = 487,045,205.28

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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.