Home / 903,923,716.80-1,355,885,575.20-849,504,158.40

Finding the Fourth Proportional to 903,923,716.80, 1,355,885,575.20 and 849,504,158.40

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Solution

The fourth proportional to 903,923,716.80, 1,355,885,575.20 and 849,504,158.40 is: 1,274,256,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,923,716.80 : 1,355,885,575.20 = 849,504,158.40 : x
  2. Step 2: Convert to fraction form
    903,923,716.80/1,355,885,575.20 = 849,504,158.40/x
  3. Step 3: Cross multiply
    903,923,716.80x = 1,355,885,575.20 × 849,504,158.40
  4. Step 4: Simplify right side
    903,923,716.80x = 1,151,830,434,446,975,872
  5. Step 5: Solve for x
    x = 1,151,830,434,446,975,872/903,923,716.80
  6. Step 6: Final answer
    x = 1,274,256,237.60

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1.5x scale

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.