Home / 903,923,720.80-1,355,885,581.20-849,504,162.40

Finding the Fourth Proportional to 903,923,720.80, 1,355,885,581.20 and 849,504,162.40

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Solution

The fourth proportional to 903,923,720.80, 1,355,885,581.20 and 849,504,162.40 is: 1,274,256,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,923,720.80 : 1,355,885,581.20 = 849,504,162.40 : x
  2. Step 2: Convert to fraction form
    903,923,720.80/1,355,885,581.20 = 849,504,162.40/x
  3. Step 3: Cross multiply
    903,923,720.80x = 1,355,885,581.20 × 849,504,162.40
  4. Step 4: Simplify right side
    903,923,720.80x = 1,151,830,444,967,543,168
  5. Step 5: Solve for x
    x = 1,151,830,444,967,543,168/903,923,720.80
  6. Step 6: Final answer
    x = 1,274,256,243.60

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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.