Home / 1,229,253,973.57-1,695,298,410.81-871,313,763.43

Finding the Fourth Proportional to 1,229,253,973.57, 1,695,298,410.81 and 871,313,763.43

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Solution

The fourth proportional to 1,229,253,973.57, 1,695,298,410.81 and 871,313,763.43 is: 1,201,653,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,253,973.57 : 1,695,298,410.81 = 871,313,763.43 : x
  2. Step 2: Convert to fraction form
    1,229,253,973.57/1,695,298,410.81 = 871,313,763.43/x
  3. Step 3: Cross multiply
    1,229,253,973.57x = 1,695,298,410.81 × 871,313,763.43
  4. Step 4: Simplify right side
    1,229,253,973.57x = 1,477,136,838,459,759,104
  5. Step 5: Solve for x
    x = 1,477,136,838,459,759,104/1,229,253,973.57
  6. Step 6: Final answer
    x = 1,201,653,092.22

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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.