Home / 1,365,434,021.30-1,884,298,951.48-738,902,449

Finding the Fourth Proportional to 1,365,434,021.30, 1,884,298,951.48 and 738,902,449

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Solution

The fourth proportional to 1,365,434,021.30, 1,884,298,951.48 and 738,902,449 is: 1,019,685,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,434,021.30 : 1,884,298,951.48 = 738,902,449 : x
  2. Step 2: Convert to fraction form
    1,365,434,021.30/1,884,298,951.48 = 738,902,449/x
  3. Step 3: Cross multiply
    1,365,434,021.30x = 1,884,298,951.48 × 738,902,449
  4. Step 4: Simplify right side
    1,365,434,021.30x = 1,392,313,109,896,704,256
  5. Step 5: Solve for x
    x = 1,392,313,109,896,704,256/1,365,434,021.30
  6. Step 6: Final answer
    x = 1,019,685,380.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.