Home / 1,365,434,077.80-1,884,299,029.74-738,902,505.45

Finding the Fourth Proportional to 1,365,434,077.80, 1,884,299,029.74 and 738,902,505.45

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Solution

The fourth proportional to 1,365,434,077.80, 1,884,299,029.74 and 738,902,505.45 is: 1,019,685,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,434,077.80 : 1,884,299,029.74 = 738,902,505.45 : x
  2. Step 2: Convert to fraction form
    1,365,434,077.80/1,884,299,029.74 = 738,902,505.45/x
  3. Step 3: Cross multiply
    1,365,434,077.80x = 1,884,299,029.74 × 738,902,505.45
  4. Step 4: Simplify right side
    1,365,434,077.80x = 1,392,313,274,091,890,176
  5. Step 5: Solve for x
    x = 1,392,313,274,091,890,176/1,365,434,077.80
  6. Step 6: Final answer
    x = 1,019,685,458.81

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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.