Home / 928,662,603.64-1,393,606,816.86-492,269,743.48

Finding the Fourth Proportional to 928,662,603.64, 1,393,606,816.86 and 492,269,743.48

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Solution

The fourth proportional to 928,662,603.64, 1,393,606,816.86 and 492,269,743.48 is: 738,729,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,662,603.64 : 1,393,606,816.86 = 492,269,743.48 : x
  2. Step 2: Convert to fraction form
    928,662,603.64/1,393,606,816.86 = 492,269,743.48/x
  3. Step 3: Cross multiply
    928,662,603.64x = 1,393,606,816.86 × 492,269,743.48
  4. Step 4: Simplify right side
    928,662,603.64x = 686,030,470,247,651,456
  5. Step 5: Solve for x
    x = 686,030,470,247,651,456/928,662,603.64
  6. Step 6: Final answer
    x = 738,729,510.11

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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.