Home / 1,365,434,065.71-1,884,299,013.09-738,902,493.36

Finding the Fourth Proportional to 1,365,434,065.71, 1,884,299,013.09 and 738,902,493.36

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Solution

The fourth proportional to 1,365,434,065.71, 1,884,299,013.09 and 738,902,493.36 is: 1,019,685,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,434,065.71 : 1,884,299,013.09 = 738,902,493.36 : x
  2. Step 2: Convert to fraction form
    1,365,434,065.71/1,884,299,013.09 = 738,902,493.36/x
  3. Step 3: Cross multiply
    1,365,434,065.71x = 1,884,299,013.09 × 738,902,493.36
  4. Step 4: Simplify right side
    1,365,434,065.71x = 1,392,313,239,007,988,224
  5. Step 5: Solve for x
    x = 1,392,313,239,007,988,224/1,365,434,065.71
  6. Step 6: Final answer
    x = 1,019,685,442.14

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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.